service reference guide
hp business desktop dx5150 series
1st edition
This document provides information on the removal and replacement of all
parts as well as information on troubleshooting, Desktop Management, setup
utilities, PATA and SATA drives, safety, routine care, connector pin
assignments, POST error messages, and diagnostic indicator lights.
Document Part Number 361685-001
Service Reference Guide
HP Business Desktop dx5150 Series
1st Edition
Document Part Number: 361685-001
April 2005
© Copyright 2005 Hewlett-Packard Development Company, L.P.
The information contained herein is subject to change without notice.
Microsoft, MS-DOS, Windows, and Windows NT are trademarks of Microsoft Corporation in the U.S. and other
countries.
Intel is a trademark of Intel Corporation in the U.S. and other countries.
Adobe, Acrobat, and Acrobat Reader are trademarks or registered trademarks of Adobe Systems Incorporated.
The only warranties for HP products and services are set forth in the express warranty statements accompanying
such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall
not be liable for technical or editorial errors or omissions contained herein.
This document contains proprietary information that is protected by copyright. No part of this document may be
photocopied, reproduced, or translated to another language without the prior written consent of Hewlett-Packard
Company.
Å
WARNING: Text set off in this manner indicates that failure to follow directions could result in bodily
harm or loss of life.
Ä
CAUTION: Text set off in this manner indicates that failure to follow directions could result in damage
to equipment or loss of information.
Service Reference Guide
HP Business Desktop dx5150 Series
First Edition (April 2005)
Document Part Number: 361685-001
Contents
1 Installing the Operating System
1.1 Installing or Upgrading Device Drivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.2 Transferring Files and Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.3 Backing Up and Restoring Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.3.1 Creating a Backup File—Windows XP Professional. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.3.2 Restoring from the Backup File—Windows XP Professional . . . . . . . . . . . . . . . . . . . . . .
1.4 Converting to NTFS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.5 HP Software. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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2 Setup Utilities and Diagnostics Features
2.1 Power-On Self-Test (POST) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–1
2.2 Computer Setup (F10) Utilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–2
2.2.1 Using Computer Setup (F10) Utilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–2
2.2.2 Computer Setup Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–4
2.3 Recovering the Configuration Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–8
2.3.1 Backing up the CMOS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–8
2.3.2 Restoring the CMOS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–9
2.4 Diagnostics for Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–9
2.4.1 Detecting Diagnostics for Windows. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–9
2.4.2 Installing Diagnostics for Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–9
2.4.3 Using Categories in Diagnostics for Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–10
2.4.4 Running Diagnostic Tests in Diagnostics for Windows . . . . . . . . . . . . . . . . . . . . . . . . . 2–12
2.5 Configuration Record . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–13
2.5.1 Installing Configuration Record. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–13
2.5.2 Running Configuration Record . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–13
2.6 Remote Diagnostics Enabling Agent. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–14
2.6.1 Installing/Upgrading Remote Diagnostics Enabling Agent . . . . . . . . . . . . . . . . . . . . . . . 2–14
2.6.2 Running the Remote Diagnostics Enabling Agent. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–14
2.7 Protecting the Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–14
2.8 Restoring the Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–14
3 Desktop Management
3.1 Initial Configuration and Deployment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.2 Remote System Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.3 Software Updating and Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.3.1 HP Client Manager Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.3.2 Altiris Client Management Solutions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.3.3 System Software Manager . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.3.4 Proactive Change Notification (PCN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.3.5 Subscriber’s Choice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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3.4 ROM Flash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–4
3.4.1 Remote ROM Flash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–4
3.4.2 HPQ Flash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–5
3.4.3 FailSafe Boot Block ROM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–5
3.4.4 Replicating Your Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–5
3.4.5 Dual-State Power Button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–8
3.4.6 World Wide Web Site . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–9
3.4.7 Building Blocks and Partners . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–9
3.5 Asset Tracking and Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–9
3.5.1 Password Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–11
3.5.2 Establishing a Supervisor Password with Computer Setup . . . . . . . . . . . . . . . . . . . . . . . 3–11
3.5.3 Establishing a User Password with Computer Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–11
3.5.4 Master Boot Record Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–13
3.5.5 Before You Partition or Format the Current Bootable Disk . . . . . . . . . . . . . . . . . . . . . . 3–15
3.5.6 Cable Lock Provision . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–15
3.6 Fault Notification and Recovery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–15
3.6.1 Surge-Tolerant Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–15
3.6.2 Thermal Sensor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–15
4 Serial and Parallel ATA Drive
Guidelines and Features
4.1 SATA Hard Drive Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.1.1 SATA Data Cable. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.1.2 SATA Power Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.2 PATA Hard Drive Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.2.1 PATA Data Cable. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.2.2 PATA Power Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.2.3 PATA Cable Layout. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.3 PATA Drive Installation Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.3.1 PATA Device Classes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.4 ATA SMART Drives. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.5 Drive Capacities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.6 SATA BIOS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.6.1 Legacy Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.6.2 Native Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.7 Mixed Devices Boot and Drive Letter Ordering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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5 Identifying the Chassis, Routine Care, and Disassembly Preparation
5.1 Chassis Designations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.1.1 Microtower (MT) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.1.2 Small Form Factor (SFF) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.2 Electrostatic Discharge Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.2.1 Generating Static . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.2.2 Preventing Electrostatic Damage to Equipment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.2.3 Personal Grounding Methods and Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.2.4 Grounding the Work Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.2.5 Recommended Materials and Equipment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.3 Operating Guidelines. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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5.4 Routine Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.4.1 General Cleaning Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.4.2 Cleaning the Computer Case . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.4.3 Cleaning the Keyboard. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.4.4 Cleaning the Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.4.5 Cleaning the Mouse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.5 Service Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.5.1 Power Supply Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.5.2 Tools and Software Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.5.3 Screws . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.5.4 Cables and Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.5.5 Hard Drives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.5.6 Lithium Coin Cell Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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6 Removal and Replacement Procedures— Microtower (MT) Chassis
6.1 Preparation for Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–1
6.2 External Security Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–2
6.2.1 Installing a Cable Lock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–2
6.2.2 Installing a Padlock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–2
6.3 Access Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–3
6.4 Front Bezel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–4
6.5 Front Drive Bezels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–5
6.5.1 5.25" Drive Bezel Blank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–5
6.5.2 Diskette Drive Bezel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–6
6.5.3 3.5" Drive Bezel Blank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–6
6.6 Cable Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–7
6.6.1 Cable Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–8
6.7 Memory Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–9
6.8 Expansion Cards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–10
6.8.1 Expansion Slot Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–10
6.8.2 PCI Expansion Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–11
6.9 Drives. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–13
6.9.1 Drive Positions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–13
6.9.2 Removing a Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–14
6.9.3 Installing a Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–17
6.10 Chassis Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–20
6.11 Front I/O Panel Housing Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–21
6.12 Front I/O Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–22
6.13 Power Switch Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–23
6.14 Heatsink. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–25
6.15 Processor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–26
6.16 System Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–27
6.17 Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–29
6.17.1Type 1 Battery Holder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–30
6.17.2Type 2 Battery Holder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–31
6.17.3Type 3 Battery Holder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–32
6.18 Speaker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–33
6.19 Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–34
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v
Contents
7 Removal and Replacement Procedures— Small Form Factor (SFF) Chassis
7.1 Preparation for Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–1
7.2 External Security Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–2
7.2.1 Cable Lock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–2
7.2.2 Padlock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–3
7.3 Computer Access Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–4
7.4 Front Bezel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–5
7.5 Front Drive Bezels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–6
7.6 Memory Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–7
7.7 PCI Expansion Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–8
7.8 Drives. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–10
7.8.1 Drive Positions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–10
7.8.2 Cable Management. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–11
7.8.3 Cable Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–13
7.8.4 Optical Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–14
7.8.5 External 3.5-inch Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–17
7.8.6 Primary Hard Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–19
7.9 Front I/O Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–21
7.10 Power Switch Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–22
7.11 Speaker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–23
7.12 Chassis Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–24
7.13 Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–25
7.13.1Type 1 Battery Holder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–26
7.13.2Type 2 Battery Holder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–27
7.14 Heatsink Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–28
7.15 Processor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–29
7.16 System Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–30
7.17 Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–32
A Connector Pin Assignments
B Power Cord Set Requirements
C POST Error Messages
D Troubleshooting Without Diagnostics
E Memory
Index
vi
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1
Installing the Operating System
Ä
CAUTION: Do not add optional hardware or third-party devices to your computer until the operating
system is successfully installed. Doing so may cause errors and may prevent the operating system from
installing properly.
Ä
CAUTION: Once the automatic installation has begun, DO NOT TURN OFF THE COMPUTER UNTIL
THE PROCESS IS COMPLETE. Turning off the computer during the installation process might damage the
software that runs the computer or prevent its proper installation.
The first time the computer is turned on, the operating system is automatically installed. This
takes approximately 10 minutes, depending on the system hardware configuration. At the
beginning of the installation process, you are prompted to select the appropriate language for the
operating system. Read and follow the instructions that appear on the screen to complete the
installation. During this process, do not turn off your computer unless you are directed to do so.
the computer shipped with more than one operating system language on the hard drive, the
✎ Ifinstallation
process could take up to 60 minutes.
1.1
Installing or Upgrading Device Drivers
To install hardware devices such as a printer, a display adapter, or network adapter after the
operating system installation is completed, the operating system needs access to the appropriate
software drivers for the devices.
If prompted for the I386 directory, replace the path specification with C:\i386, or click Browse in
the dialog box to locate the i386 folder. This action points the operating system to the appropriate
drivers.
Obtain the latest support software, including support software for the operating system from
www.hp.com. Click support & drivers, select Download drivers and software, enter the model
number of the computer, and press Enter.
You can also obtain the latest support software on CD. The following Web site provides
information about purchasing a support software CD subscription:
http://h18000.www1.hp.com/support/files/desktops/us/purchase.html
the computer has an optical CDRW drive, install the appropriate application to allow you to
✎ Ifwrite
to the drive. To install the application, double-click the Setup Software icon on the desktop
or the application launcher and select the Easy CD Creator and Direct CD options when
prompted.
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1–1
Installing the Operating System
1.2
Transferring Files and Settings
Use the Microsoft Windows XP Files and Settings Transfer Wizard to move files and settings
from an old computer to a new one. Click Start > All Programs > Accessories > System Tools
> Files and Settings Transfer Wizard.
1.3
Backing Up and Restoring Files
1.3.1 Creating a Backup File—Windows XP Professional
1. Click Start > All Programs > Accessories > System Tools > Backup.
2. Use the Backup or Restore Wizard to create a backup file or tape.
can save a backup file to a hard disk, a floppy disk, CD, USB flash media device, tape drive,
✎ You
or to any other removable or nonremovable media.
1.3.2 Restoring from the Backup File—Windows XP Professional
1. Click Start > All Programs > Accessories > System Tools > Backup.
2. Use the Backup or Restore Wizard to restore files from a backup file.
file can be saved on a hard disk, a floppy disk, CD, USB flash media device, tape drive,
✎ Aor backup
any other removable or nonremovable media.
1.4
Converting to NTFS
Windows XP Professional
To convert a FAT or FAT32 volume to NTFS,
1. Click Start > All Programs > Accessories > Command Prompt.
2. Type convert drive_letter: /fs:ntfs (where drive_letter is the volume to be converted) and
press Enter.
1–2
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Installing the Operating System
1.5
HP Software
The Microsoft Windows XP Professional operating system is preinstalled on the computer and
will be configured automatically the first time the computer is turned on. The following HP
software may also be installed at that time on selected models:
■
Computer Setup Utilities
■
HP Support Software including device drivers
■
Configuration Record
■
Online Safety & Comfort Guide
■
Power Management with energy saver features
■
Security Management tools
■
Software Support Management tools
Certain drivers and utilities are available only in selected languages. You can obtain the latest
version of these files, in English and selected other languages, in one of three ways:
■
Support Software CD
■
HP Web site at www.hp.com
■
Restore Plus! CD, which is supplied with many HP models
✎ Additional HP software may be required in certain situations.
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Installing the Operating System
1–4
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2
Setup Utilities and Diagnostics Features
Setup Utilities (F10) and diagnostic features provide information needed about the computer
system when contacting Customer Support. You can also use these tools to:
■
Change factory default settings and to set or change the system configuration, which may be
necessary when you add or remove hardware.
■
Determine if all of the devices installed on the computer are recognized by the system and
are functioning properly.
■
Determine information about the operating environment of the computer.
■
Solve system configuration errors detected but not automatically fixed during the Power-On
Self-Test (POST).
■
Establish and manage passwords and other security features.
■
Establish and manage energy-saving timeouts.
✎ All features identified in this chapter may not be available on all HP products.
2.1
Power-On Self-Test (POST)
POST is a series of diagnostic tests that runs automatically when the system is turned on. POST
checks the following items to ensure that the computer system is functioning properly:
■
Keyboard
■
Memory modules
■
Diskette drives
■
All mass storage devices
■
Processors
■
Controllers
Power-On Password is set, a text box password prompt appears on the screen while POST
✎ Ifis the
running. You must enter the password before continuing. Refer to Chapter 3, Section 3.1,
“Initial Configuration and Deployment.” for information on setting, deleting, or bypassing the
password.
If POST finds an error in the system, an audible and/or visual message occurs. For POST error
messages and their solutions, refer to Appendix C, “POST Error Messages.”
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Setup Utilities and Diagnostics Features
2.2 Computer Setup (F10) Utilities
Use Computer Setup (F10) Utility to do the following:
■
Change factory default settings.
■
Set the system date and time.
■
Set, view, change, or verify the system configuration, including settings for processor,
graphics, memory, audio, storage, communications, and input devices.
■
Modify the boot order of bootable devices such as hard drives, diskette drives, optical drives,
or USB flash media devices.
■
Enable or disable Quick Power-On Self Test, which is faster than a full boot but does not run
all of the diagnostic tests run during a full boot.
■
Enter the Asset Tag or property identification number assigned by the company to this
computer.
■
Establish a supervisor password that controls access to Computer Setup (F10) Utility and the
settings described in this section.
■
Secure integrated I/O functionality, including the serial, USB, or parallel ports, audio, or
embedded NIC, so that they cannot be used until they are unsecured.
■
Enable or disable Master Boot Record (MBR) Security.
■
Enable or disable removable media boot ability.
■
Enable or disable legacy diskette write ability (when supported by hardware).
2.2.1 Using Computer Setup (F10) Utilities
You can only access Computer Setup by turning the computer on or restarting the system.
To access the Computer Setup Utilities menu, complete the following steps:
1. Turn on or restart the computer. If you are in Microsoft Windows, click Start >
Shut Down > Restart.
2. As soon as the computer is turned on, press and hold the F10 key until you enter
Computer Setup.
press the F10 key at the appropriate time, you must restart the computer and press
✎ IfandyouholddothenotF10
key again to access the utility.
3. The Computer Setup Utility screen is divided into seven menu headings:
2–2
❏
System Information
❏
Standard CMOS Features
❏
Advanced BIOS Features
❏
Advanced Chipset Features
❏
Integrated Peripherals
❏
Power Management Setup
❏
PnP/PCI Configurations
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Setup Utilities and Diagnostics Features
Six action choices are listed on the Computer Setup Utility screen:
❏
PC Health Status
❏
Load Optimized Defaults
❏
Set Supervisor Password
❏
Set User Password
❏
Save & Exit Setup
❏
Exit Without Saving
Use the arrow keys to select the appropriate heading, and then press Enter. Use the arrow
(up and down) keys to select the option you want, and then press Enter. To return to the
previous screen, press Esc.
4. To apply and save changes, press F10 or select Save & Exit Setup on the Computer Setup
Utility screen and press Enter.
If you have made changes that you do not want applied, select Exit Without Saving and
press Enter.
Ä
CAUTION: Do NOT turn computer power OFF while the ROM is saving F10 Computer Setup changes
because the CMOS could become corrupted. It is safe to turn off the computer only after exiting the F10
Setup screen.
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Setup Utilities and Diagnostics Features
2.2.2 Computer Setup Menu
Computer Setup
Heading
Option
Description
System
Information
Displays
Product Name
Processor Type
Cache Size
Memory Size
System ROM
Integrated MAC
UUID
System Serial #
Asset Tracking Number
Enter Asset Tag No.
Standard
CMOS
Features
Date (mm:dd:yy)
Allows you to set system date.
Time (hh:mm:ss)
Allows you to set system time.
IDE Channel 0 Master
For each, allows you to:
IDE Channel 0 Slave
• HDD Self-Test (SATA only)
SATA IDE Channel 1
Master
• SMART Status Check
SATA IDE Channel 2
Master
• HDD Extended Self-Test
• HDD Short Self-Test
• IDE Auto-Detection
• Extended IDE Drive
• None
• Auto
• Access Mode
• CHS (PATA only)
• LBA (PATA only)
• Large
• Auto
Drive A
Identifies the highest capacity media type accepted by
the diskette drive.
Halt On
Allows you to set at:
• All Errors
• No Errors
• All, but Keyboard
• All, but Diskette
• All, but Diskette/Keyboard
POST Delay
✎
2–4
Allows you to set a POST delay.
Support for specific Computer Setup options may vary depending on the hardware configuration.
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Setup Utilities and Diagnostics Features
Computer Setup (Continued)
Heading
Option
Description
Advanced
BIOS Features
Removable Device Boot
Seq.
Allows you to specify the order in which attached devices
(such as an FDD, an LS120, or a Zip Drive) are checked
for a bootable operating system image.
Hard Disk Boot Seq.
Allows you to specify the order of attached hard drive
devices (such as USB HDD storage, USB2 DriveKey, or
USB flash media). The first drive in the order has priority
in the boot sequence and is recognized as drive C (if any
devices are attached).
CD-ROM Boot Seq.
Allows you to specify the order in which attached
CD-ROM drives (including USB ODD) are checked for a
bootable operating system image.
Network Boot Seq.
Allows you to specify the order in which network devices
(including UP NIC cards) are checked for a bootable
operating system image.
MBR Security
Enables/disables the VIRUS warning feature for IDE Hard
Disk boot sector protection.
When this function is enabled and someone attempts to
write data into this area, the BIOS responds with a
warning message on screen and an alarm beep.
Quick Power On Self Test
Enables/disables the system to skip certain tests while
booting.
Enabling this feature decreases the time required to boot
the system.
First Boot Device
Second Boot Device
Third Boot Device
Fourth Boot Device
Advanced
Chipset
Features
✎
Allows you to specify which devices will boot first,
second, third, and fourth.
✎
MS-DOS drive lettering assignments may not apply
after a non-MS-DOS operating system has started.
Boot Up NumLock Status
Allows you to set the default NumLock status on or off.
Security Option
Allows you to set to either Always or Setup.
APIC Mode
Enables/disables the APIC support.
MPS Version Control for
OS
Allows you to set the MPS version for the OS.
HDD S.M.A.R.T. Capability
Enables/disables SMART capability on the hard drive.
ASF Support
Enables/disables ASF
BIOS Write Protection
Enables/disables BIOS write protection.
UMA Frame Buffer Size
Allows you to set the size of the UMA frame buffer.
Support for specific Computer Setup options may vary depending on the hardware configuration.
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2–5
Setup Utilities and Diagnostics Features
Computer Setup (Continued)
Heading
Option
Description
Advanced
Chipset
Features
(continued)
Video Display Devices
Allows you to set to:
• Auto
• CRT only
• DFP only
• CRT Force, DFP Auto
Integrated
Peripherals
Init Display First
Allows you to select the primary VGA source.
Surroundview
Allows you to enable/disable Surroundview only if PCI-E
GFX add-on card is ATI. Provides support for up to three
independent monitors (available with the unified drivers).
Auto Detect PCI Clk
Enables/disables PCI Clk auto detection.
Spread Spectrum
Enables/disables spread spectrum.
South OnChip PCI Device
Allows you to enable/disable:
• On Chip IDE Controller
• Onboard AC97 Audio
• Onboard Chip SATA
• SATA Disabled
• IDE Controller (non-RAID)
• RAID Controller
• Onboard LAN
• Onboard LAN Boot ROM
Power
Management
Setup
✎
2–6
OnChip USB Controller
Enables/disables the USB controller.
USB Legacy Support
Enables or disables the USB Legacy feature.
Front Panel USB Port
Enables/disables the front panel USB port and the two
USB ports located on the back of the computer under the
NIC connector.
Onboard FDC Controller
Enables/disables onboard FDC controller.
Onboard Serial Port
Allows you to disable or select setting for the onboard
serial port.
Onboard Parallel Port
Allows you to disable or select setting for onboard
parallel port.
Parallel Port Mode
Allows you to select parallel port mode.
ECP Mode Use DMA
If Parallel Port Mode is set to ECP or ECP+EPP, allows you
to set the ECP Mode Use DMA to 1 or 3.
ACPI Function
Enables/disables ACPI functions.
ACPI Suspend Type
Allows you to set type of ACPI suspend.
MODEM Use IRQ
Select IRQ for the device.
Support for specific Computer Setup options may vary depending on the hardware configuration.
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Setup Utilities and Diagnostics Features
Computer Setup (Continued)
Heading
Option
Description
Power
Management
Setup
(continued)
After AC Power Loss
Allows you to select:
PnP/PCI
Configurations
• Last State
• On
• Off
PowerOn by PCI Card
Enables/disables capability of powering on by PCI card.
AMD Cool’n’Quiet
Allows you to set the AMD Cool’n’Quiet to auto or to
disable it.
RTC Alarm Resume
Enables/disables resumption of RTC alarm.
Date (of Month)
If RTC Alarm Resume is enabled, allows you to select the
day of the month for resumption of RTC alarm.
Resume Time (hh:mm:ss)
If RTC Alarm Resume is enabled, allows you to select
what time the RTC alarm will resume.
Reset Configuration Data
Enables/disables automatic reconfiguration.
Default is Disabled. Select Enabled to reset Extended
System Configuration Data (ESCD) when you exit Setup,
if you have installed a new add-on and the system
reconfiguration has caused such a serious conflict that the
OS cannot boot.
Resources Controlled By
Allows you to select whether resources are controlled
automatically or manually.
BIOS can automatically configure all the boot and
Plug-and-Play-compatible devices. If you choose Auto,
you cannot select IRQ DMA and memory base address
fields, since BIOS automatically assigns them.
IRQ Resources
• IRQ-3 assigned to
• IRQ-4 assigned to
• IRQ-5 assigned to
• IRQ-7 assigned to
• IRQ-10 assigned to
When resources are controlled manually, allows you to
assign each system interrupt a type, depending on the
type of device using the interrupt.
Legacy ISA for devices compliant with the original PC AT
bus specification, PCI/ISA PnP for devices compliant with
the Plug and Play standard whether designed for PCI or
ISA bus architecture.
• IRQ-11assigned to
• IRQ-12assigned to
• IRQ-14assigned to
• IRQ-15assigned to
✎
Assign IRQ for VGA
Enables/disables capability of assigning IRQ for VGA.
Assign IRQ for USB
Enables/disables capability of assigning IRQ for USB.
Support for specific Computer Setup options may vary depending on the hardware configuration.
Service Reference Guide, dx5150
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2–7
Setup Utilities and Diagnostics Features
Computer Setup (Continued)
Heading
Option
Description
PC Health
Status
System Information
Lists:
• CPU Temperature
• System Temperature
• CPU Fan Speed
• System Fan Speed
• System Fan Fail Check (enable/disable)
• Fan Control (auto/disable)
Load
Optimized
Defaults
Allows you to reset Computer Setup to factory defaults.
Set Supervisor
Password
Allows you to establish a password to control access to
Computer Setup. Allows you to boot computer and
change Computer Setup.
Set User
Password
Allows you to establish a password to control access to
the computer. Allows you to boot the computer and view
Computer Setup.
Save & Exit
Setup
Allows you to save current settings and exit Computer
Setup.
Exit Without
Saving
Allows you to exit Computer Setup without saving
changes.
✎
Support for specific Computer Setup options may vary depending on the hardware configuration.
2.3 Recovering the Configuration Settings
Recovering the configuration settings established in the Computer Setup (F10) Utility requires
that you first back up the settings before a recovery is needed.
The CMOS Save/Load utility ROMPAQ can be found at http://www.hp.com under the support
and drivers for the HP Business Desktop dx5150. Download the ROMPAQ files into a folder on
a removable storage device. It is recommended that you save any modified computer
configuration settings to a diskette, a USB flash media device, or a diskette-like device (a storage
device set to emulate a diskette drive), and save the diskette or device for possible future use.
2.3.1 Backing up the CMOS
1. Make sure the computer you want to back up is turned on. Connect the removable storage to
the computer.
2. In Windows, click Start > Run, type CMD, and click OK to open a DOS
command window.
3. Type N:\folder\BIOS.exe SAVE:ABC001.DAT (where N is the drive letter of the
removable storage) to save the CMOS setting to the removable storage device.
2–8
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Setup Utilities and Diagnostics Features
2.3.2 Restoring the CMOS
1. Make sure the target computer is turned on. Connect the removable storage to the
target computer.
2. In Windows, click Start > Run, type CMD, and click OK. to open a DOS
command window.
3. Type N:\folder\BIOS.exe LOAD:ABC001.DAT (where N is the drive letter of the
removable storage) to load the custom CMOS setting onto the target system.
2.4 Diagnostics for Windows
The Diagnostics for Windows (DFW) utility allows you to view information about the hardware
and software configuration of the computer while running Microsoft Windows XP. It also allows
you to perform hardware and software tests on the subsystems of the computer.
When you invoke Diagnostics for Windows, the current configuration of the computer is shown
on the Overview screen. There is access from this screen to several categories of information
about the computer and the Test tab. You can save to a file or print the information in every
screen of the utility.
test all subsystems, you must log in as the administrator. If you do not log in as the
✎ Toadministrator,
you will be unable to test some subsystems. The inability to test a subsystem is
indicated by an error message under the subsystem name in the Test window or by shaded check
boxes that you cannot select.
Use Diagnostics for Windows in the following instances to:
■
Determine if all the devices installed on the computer are recognized by the system and
functioning properly. Running tests is optional but recommended after installing or
connecting a new device.
■
Third party devices not supported by HP may not be detected. Save, print, or display the
information generated by the utility.
2.4.1 Detecting Diagnostics for Windows
Some computers ship with the Diagnostics for Windows preloaded, but not preinstalled.
To determine whether Diagnostics for Windows is installed:
1. Access the location of the Diagnostics icons in Windows XP Home or Windows XP
Professional by selecting Start > Control Panel > Performance and Maintenance.
2. If icons for Configuration Record and Diagnostics for Windows are present, the Diagnostics
for Windows utility is installed. If the icons are not present, the utility is either not preloaded
or not installed.
2.4.2 Installing Diagnostics for Windows
If Diagnostics for Windows is not preloaded, you can download the Diagnostics for Windows
SoftPaq from the following Web site:
http://www.hp.com/support/files
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Once you download the software onto the hard drive, install the software as follows:
1. Close all Windows applications.
2. Install the Diagnostics for Windows utility:
❏
In Windows XP, select Start > Setup Software icon. Select Diagnostics for Windows,
click Next, then follow the instructions on the screen.
❏
If the Setup Software icon is not on the Desktop or on the Start menu, run the Setup
program from the C:\CPQAPPS\DIAGS directory or select Start > Run and type the
following in the command line: C:\CPQAPPS\DIAGS\SETUP.
3. Click Next to install Diagnostics for Windows.
4. After the program has finished installing, you may be prompted to restart the computer, or
the computer may automatically restart. If prompted, click Finish to restart the computer or
Cancel to exit the program. You must restart the computer to complete the installation of
Diagnostics for Windows.
If you want to upgrade an existing version of Diagnostics for Windows installed on the
✎ computer,
visit http://www.hp.com/support/files and click on an applicable product. Locate the
desired software and download the latest version. Execute the downloaded file and select Repair
to update the installed version. This will cause the new version to overwrite the old version.
2.4.3 Using Categories in Diagnostics for Windows
To use categories:
1. Click Start > HP Information Center > Diagnostics for Windows. You can also select the
Diagnostics for Windows icon, located in the Control Panel.
The screen displays the overview of the computer hardware and software.
❏
In Windows 2000 Professional, select Start > Settings > Control Panel, then select
Diagnostics for Windows.
❏
In Windows XP Home and Windows XP Professional, select Start > Control Panel >
Performance and Maintenance, then select Diagnostics for Windows.
2. For specific hardware and software information, select a category from the Categories
pull-down menu or the appropriate icon on the toolbar.
✎ As the cursor moves over the toolbar icons, Windows displays the corresponding category name.
3. To display more detailed information in a selected category, click More in the Information
Level box in the lower left corner of the window or click Level at the top of the screen, and
then select More.
4. Review, print, and/or save this information as desired.
❏
To print the information, click File > Print. Select one of the following options:
Detailed Report (All Categories), Summary Report (All Categories), or Current
Category. Click OK to print the report you selected.
❏
To save the information, click File > Save As. Select one of the following options:
Detailed Report (All Categories), Summary Report (All Categories), or Current
Category. Click OK to save the report you selected.
5. To exit Diagnostics for Windows, on the File menu, click Exit.
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Menu Bar—File, Categories, Navigation, Level, Tab, Help
At the top of the Diagnostics for Windows screen is a menu bar consisting of six pull-down
menus. Select a menu for the following system information:
■
File—Save As, Print, Printer Setup, Exit.
■
Categories.
❏
System—System board, ROM, date, and time.
❏
Asset Control—Asset tag, system serial number, and processor.
❏
Input Devices—Keyboard, mouse, and joystick(s).
❏
Communication—Ports.
❏
Storage—Storage drives.
❏
Graphics—Graphics.
❏
Memory—System board and Windows memory.
❏
Multimedia—Optical storage (CD, DVD, and so on) and audio.
❏
Windows—Windows.
❏
Architecture—PCI Device.
❏
Resources—IRQ, I/O, and Memory Map.
❏
Health—Status of system temperature and hard drives.
❏
Miscellaneous—CMOS, DMI, BIOS, System, Product Name, and Serial Number.
■
Navigation—Previous Category (F5), Next Category (F6).
■
Level—Less (F7), More (F8) <information on the screen>.
■
Tab.
■
❏
Overview—Displays general information about the computer. This window is displayed
when first starting the utility. The left side of the window shows hardware information,
while the right side shows software information.
❏
Test—Allows you to choose various parts of the system to test. You can also choose the
type of test and testing mode.
❏
Status—Displays the status of each test in progress. You can cancel testing by clicking
the Cancel Testing button.
❏
Log—Displays a log of tests for each device.
❏
Error—Displays any errors that occurred during device testing. The window lists the
device being tested, the type and number of errors, and the error code.
Help—Contents, How to use Help, About.
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2.4.4 Running Diagnostic Tests in Diagnostics for Windows
To run diagnostic tests:
1. Click Start > HP Information Center > Diagnostics for Windows.
Alternately, you can access Diagnostics for Windows using the Control Panel.
The screen displays the overview of the computer hardware and software. Five tabs are
displayed below the row of icons: Overview, Test, Status, Log, and Error.
2. Click the Test tab, or click Tab at the top of the screen and select Test.
3. Select one of the following options:
❏
Quick Test—Runs a quick, general test on each device. Requires no user intervention if
Unattended Mode is selected.
❏
Complete Test—Runs maximum testing of each device. The user can select Interactive
Mode or Unattended Mode.
❏
Custom Test—Runs only the tests you select. To select specific devices or tests, find the
device in the list, then select the check box beside each test. When selected, a red check
mark is displayed in the box. Some tests selected may require user intervention.
test all subsystems, you must log in as the administrator. If you do not log in as the
✎ Toadministrator,
you will be unable to test some subsystems. The inability to test a subsystem is
indicated by an error message under the subsystem name in the Test window or by shaded boxes
that you cannot check.
4. Select Interactive Mode or Unattended Mode. In Interactive Mode, the diagnostic software
prompts you for any required input during tests. Some tests require interaction and display
errors or halt testing if selected in conjunction with Unattended Mode.
❏
Interactive Mode provides maximum control over the testing process. You determine
whether the test passed or failed. The software may prompt you to insert or remove
devices.
❏
Unattended Mode does not display prompts. The software displays all discovered errors
when testing is complete.
5. Click the Begin Testing button at the bottom of the window. Test Status is displayed,
showing the progress and result of each test. For more details on the tests run, click the Log
tab or click Tab at the top of the screen and select Log.
6. To view a test report, select one of three tabs:
❏
Status—Summarizes the tests run, passed, and failed during the current testing session.
❏
Log—Lists tests run on the system, the numbers of times each test has run, the number
of errors found on each test, and the total run time of each test.
❏
Error—Lists all errors found on the computer with their error codes.
7. To save a test report:
2–12
❏
Select the Log tab, then click Save to save a Log tab report.
❏
Select the Error tab, then click Save to save an Error tab report.
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8. To print a test report:
❏
If the report is on the Log tab, on the File menu, click Save As, and then print the file
from the selected folder.
❏
If the report is on the Error tab, select the Error tab, and then click Print.
9. If errors are found, click the Error tab to display more detailed information and
recommended actions.
10. Click Print or save the error information for future reference.
11. To exit Diagnostics for Windows, on the File menu, click Exit.
2.5 Configuration Record
The Configuration Record utility is a windows-based information-gathering tool that gathers
critical hardware and software information from various computer subsystems. The information
includes such things as the ROM, asset tag, processor, physical drives, PCI devices, memory,
graphics, operating system version number, operating system parameters, and the operating
system startup files to give a complete view of the computer. Configuration Record provides a
means for automatically identifying and comparing configuration changes, and has the ability to
maintain a configuration history. You can save the information as a history of multiple sessions.
This utility allows the resolution of problems without taking the computer offline and assists in
maximizing the computer availability. The information obtained by the utility is useful in
troubleshooting system problems and streamlines the service process by enabling quick and easy
identification of system configurations.
The utility displays it findings in a Now.log file. If the original Base.log file is present in the
cpqdiags directory, the Base.log file is displayed next to the Now.log file in a split window with
the differences between the two highlighted in the color red.
2.5.1 Installing Configuration Record
The Configuration Record is part of Diagnostics for Windows and is automatically installed at
the same time as Diagnostics for Windows.
2.5.2 Running Configuration Record
To run this program:
1. Click Start > HP Information Center > Configuration Record.
Alternately, you can access Diagnostics for Windows using the Control Panel.
The Configuration Record utility has two view options: Show Changed Items Only and Show
✎ All.
The default view is Show Changed Items Only, therefore all the text is displayed in the
color red since it shows only the differences. Switching to Show All displays the complete,
comprehensive view of the system.
2. The default view is Show Changed Items Only. To view all the information gathered by
Configuration Record, click View at the top of the window and select Show All, or click the
Show All Items icon.
3. To save the information in the left or right window, select File > Save Window File and
then select Left Window File or Right Window File.
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the configuration of the computer periodically allows you to keep a history of the
✎ Saving
configuration. This history may be useful to you in the future if the system encounters a problem
that requires debugging.
4. To exit Configuration Record, on the File menu, click Exit.
2.6 Remote Diagnostics Enabling Agent
This utility provides a Web browser interface to Diagnostics for Windows. It enables remote
control of the diagnostics and facilitates easy transfer of computer information from remote
machines to a service provider.
The Remote Diagnostics Enabling Agent captures hardware configuration and provides the
ability to perform tests remotely to diagnose computer problems. In addition, the Remote
Diagnostics Enabling Agent identifies any computer hardware device problems signaled by the
HP Management Agents. The Remote Diagnostics Enabling Agent automatically selects these
hardware devices for testing.
✎ The Remote Diagnostics Enabling Agent only works if Diagnostics for Windows is installed.
The Remote Diagnostics Enabling Agent is pre-loaded on some computers and is available
through a SoftPaq at http://www.hp.com under Support and Drivers.
2.6.1 Installing/Upgrading Remote Diagnostics Enabling Agent
1. Visit http://www.hp.com/support/files and select the applicable product.
2. Locate the appropriate software and download the latest version.
3. Execute the downloaded file. If you are upgrading an existing version, select Repair for the
new version to overwrite the old version.
2.6.2 Running the Remote Diagnostics Enabling Agent
1. Select the Remote Diagnostics icon located in the Control Panel.
Remote Diagnostics Enabling Agent allows you to run Diagnostic Test or the Configuration
✎ The
Record in a browser window. You can run both of these utilities remotely or locally.
2. To exit Remote Diagnostics, on the File menu, click Close.
2.7 Protecting the Software
To protect software from loss or damage, you should keep a backup copy of all system software,
applications, and related files stored on the hard drive. See the operating system or backup utility
documentation for instructions about making backup copies of data files.
2.8 Restoring the Software
You can restore the Windows operating system and software to its original state using the
Restore CD. See the Restore CD for complete instructions.
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Desktop Management
HP Intelligent Manageability provides standards-based solutions for managing and controlling
desktops, workstations, and notebook PCs in a networked environment.
The key capabilities and features of desktop management are:
■
Initial configuration and deployment
■
Remote system installation
■
Software updating and management
■
ROM flash
■
Asset tracking and security
■
Fault notification and recovery
✎ Support for specific features described in this guide may vary by model or software version.
3.1
Initial Configuration and Deployment
HP computers come with a preinstalled system software image. After a brief software
“unbundling” process, the computer is ready for use.
You can deploy a customized software image by:
■
Installing additional software applications after unbundling the preinstalled software image.
■
Using software deployment tools, such as Altiris Deployment SolutionsTM, to replace the
preinstalled software with a customized software image.
■
Using a disk cloning process to copy the contents from one hard drive to another.
The best deployment method depends upon your information technology environment and
processes. The PC Deployment section of the Solutions and Services Web site
(http://h18000.www1.hp.com/solutions/pcsolutions) provides information to help you select the
best deployment method.
The Restore Plus! CD, ROM-based setup, and ACPI hardware provide further assistance with
recovery of system software, configuration management and troubleshooting, and power
management.
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3.2 Remote System Installation
Remote System Installation allows you to start and set up your system using the software and
configuration information located on a network server by initiating the Preboot Execution
Environment (PXE). The Remote System Installation feature is usually used as a system setup
and configuration tool, and can be used for the following tasks:
■
Formatting a hard drive.
■
Deploying a software image on one or more new PCs.
■
Remotely updating the system BIOS in flash ROM. See Section 3.4.1, “Remote ROM
Flash.”
■
Configuring the system BIOS settings.
To initiate Remote System Installation, press F12 when the F12 = Network Service Boot
message appears in the lower-right corner of the HP logo screen. Follow the instructions on the
screen to continue the process. The default boot order is a BIOS configuration setting that you
can change to always attempt to PXE boot.
3.3
Software Updating and Management
HP provides several tools for managing and updating software on desktops and workstations—
HP Client Manager Software, Altiris Client Management Solution; System Software Manager;
HP Proactive Notification; and ActiveUpdate.
3.3.1 HP Client Manager Software
HP Client Manager Software (HP CMS) tightly integrates HP Intelligent Manageability
technology within Altiris to provide superior hardware management capabilities for HP access
devices that include:
■
Detailed views of hardware inventory for asset management
■
PC health check monitoring and diagnostics
■
Proactive notification of changes in your hardware environment
■
Web-accessible reporting of business critical details such as machines with thermal
warnings, memory alerts, and more
■
Remote updating of system software such as device drivers and ROM BIOS
■
Remote changing of boot order
■
System BIOS setting configuration
For more information on the HP Client Manager, visit
http://h18000/www1.hp.com/im/client_mgr.html.
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3.3.2 Altiris Client Management Solutions
HP and Altiris have partnered to provide comprehensive, tightly integrated systems management
solutions to reduce the cost of owning HP client PCs. HP Client Manager Software is the
foundation for additional Altiris Client Management Solutions that address:
■
■
■
■
Inventory and Asset Management
❏
SW license compliance
❏
PC tracking and reporting
❏
Lease contract, fixing asset tracking
Deployment and Migration
❏
Windows 2000/XP migration
❏
System deployment
❏
Personality migrations
Help Desk and Problem Resolution
❏
Managing help desk tickets
❏
Remote troubleshooting
❏
Remote problem resolution
❏
Client disaster recovery
Software and Operations Management
❏
Ongoing desktop management
❏
HP system SW deployment
❏
Application self-healing
For more information and details on how to download a fully-functional 30-day evaluation
version of the Altiris solutions, visit http://h18000.www1.hp.com/im/prodinfo.html#deploy.
On selected desktop and notebook models, an Altiris management agent is included as part of the
factory-loaded image. This agent enables communication with the Altiris Development Solution,
which you can use to complete new hardware deployment or personality migration to a new
operating system using easy-to-follow wizards. Altiris solutions provide easy-to-use software
distribution capabilities. When used in conjunction with System Software Manager, or HP Client
Manager Software, administrators can also update ROM BIOS and device driver software from a
central console.
For more information, visit http://www.hp.com/go/easydeploy.
3.3.3 System Software Manager
System Software Manager (SSM) lets you update system-level software on multiple systems
simultaneously. When executed on a PC client system, SSM detects both hardware and software
versions, then updates the appropriate software from a central repository, also known as a file
store. Driver versions supported by SSM are denoted with a special icon on the driver download
Web site and on the Support Software CD. To download the utility or to obtain more information
on SSM, visit http://h18000.www1.hp.com/im/ssmwp.html.
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3.3.4 Proactive Change Notification (PCN)
The Proactive Change Notification program uses the Subscriber's Choice Web site to proactively
and automatically send you:
■
Proactive Change Notification (PCN) emails informing you of hardware and software
changes to most commercial computers and servers, up to 60 days in advance.
■
E-mail containing Customer Bulletins, Customer Advisories, Customer Notes, Security
Bulletins, and Driver alerts for most commercial computers and servers.
You create your own profile to ensure that you only receive the information relevant to your IT
environment. To learn more about the Proactive Change Notification program and create your
custom profile, visit http://www.hp.com/go/pcn.
3.3.5 Subscriber’s Choice
Subscriber’s Choice is a client-based service from HP. Based on your profile, HP will supply you
with personalized product tips, feature articles, and/or driver and support alerts/notifications.
Subscriber’s Choice Driver and Support Alerts/Notifications will deliver e-mails notifying you
that the information you subscribed to in your profile is available for review and retrieval. To
learn more about Subscriber’s Choice and create a custom profile, visit
http://www.hp.com/go/pcn.
3.4 ROM Flash
The computer comes with a reprogrammable flash ROM (read only memory). By establishing a
setup password in Computer Setup (F10) Utility, you can protect the ROM from unintentional
updates or overwrites. This protection is important to ensure the operating integrity of the
computer. Should you need or want to upgrade your ROM, you may:
Ä
■
Order an upgraded ROMPaq™ diskette from HP.
■
Download the latest ROMPaq images from http://www.hp.com/support/files.
CAUTION: For maximum ROM protection, establish a setup password. The setup password prevents
unauthorized ROM upgrades. System Software Manager allows the system administrator to set the setup
password on one or more PCs simultaneously. For more information, visit
http://www.hp.com/go/ssm.
3.4.1 Remote ROM Flash
Remote ROM Flash allows the system administrator to safely upgrade the ROM on remote HP
computers directly from the centralized network management console. Enabling the system
administrator to perform this task remotely on multiple computers and personal computers
results in a consistent deployment of and greater control over HP PC ROM images over the
network.
computer must be powered on, or turned on through Remote Wakeup, to take advantage of
✎ The
Remote ROM Flash.
For more information on Remote ROM Flash, refer to the HP Client Manager Software or
System Software Manager at http://h18000.www1.hp.com/im/prodinfo.html.
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3.4.2 HPQ Flash
Use the HPQFlash utility to locally update or restore the system ROM in individual PCs through
a Windows environment. For more information on HPQFlash, refer to the HP Client Manager
Software or System Software Manager at http://www.hp.com/support/files.
3.4.3 FailSafe Boot Block ROM
The FailSafe Boot Block ROM allows for system recovery in the unlikely event of a ROM flash
failure, for example, if a power failure occurs during a ROM upgrade. The Boot Block is a
flash-protected section of the ROM that checks for a valid system ROM flash when power to the
system is turned on.
■
If the system ROM is valid, the system starts normally.
■
If the system ROM fails the validation check, the FailSafe Boot Block ROM provides
enough support to start the system from a ROMPaq diskette, which programs the system
ROM with a valid image.
✎ Some models also support recovery from a ROMPaq CD.
When the bootblock detects an invalid system ROM, the System Power LED blinks RED eight
times, one every second, followed by a two-second pause. You will also hear eight simultaneous
beeps. A Boot Block recovery mode message is displayed on the screen (some models).
beeps continue through five cycles of eight simultaneous beeps and stop; however, the LED
✎ The
continues blinking until the issue is resolved.
To recover the system after it enters Boot Block recovery mode, complete the following steps:
1. If there is a diskette or a CD in the computer, remove the media and turn off the power.
2. Insert a ROMPaq diskette, bootable drive key, or CD.
3. Turn on power to the system.
4. If no ROMPaq diskette is found, you must insert one and restart the computer.
3.4.4 Replicating Your Setup
To replicate or copy one setup configuration to other computers of the same model, HP has
provided a Windows-based software utility, System Software Manager, that you can download
from http://www.hp.com/go/ssm, plus a DOS-based software, CMOS Save/Load utility, that
can be downloaded from http://www.hp.com/support/files. After logging on to the HP Support
Web site, enter the name of your computer when prompted.
Creating a Bootable Device
Supported USB Flash Media Device
Supported devices, such as an HP Drive Key, have a pre-installed image to simplify the process
of making them bootable. If the USB flash media device being used does not have this image, use
the procedure later in this section (see “Unsupported USB Flash Media Device” on page 7).
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Ä
CAUTION: You cannot boot all computers from a USB flash media device. If the default boot order in
the Computer Setup (F10) Utility lists the USB device before the hard drive, you can boot the computer
from a USB flash media device. Otherwise, you must use a bootable diskette.
To create a bootable USB flash media device, you must have a:
■
Supported USB flash media device.
■
Bootable DOS diskette with the FDISK and SYS programs. If SYS is not available, you can
use FORMAT, but you will lose all existing files on the USB flash media device.
■
PC that is bootable from a USB flash media device.
1. Turn off the computer.
2. Insert the USB flash media device into one of the computer's USB ports and remove all other
USB storage devices except USB diskette drives.
3. Insert a bootable DOS diskette with FDISK.COM and either SYS.COM or FORMAT.COM
into a diskette drive and turn on the computer to boot to the DOS diskette.
4. Run FDISK from the A:\ prompt by typing FDISK and pressing Enter. If prompted, click
Yes (Y) to enable large disk support.
5. Enter Choice [5] to display the drives in the system. The USB flash media device is the drive
that closely matches the size of one of the drives listed. It is usually the last drive in the list.
Note the letter of the drive.
USB flash media device drive: __________
Ä
CAUTION: If a drive does not match the USB flash media device, do not proceed. Data loss may occur.
Check all USB ports for additional storage devices. If any are found, remove them, reboot the computer,
and proceed from step 4. If none are found, either the system does not support the USB flash media
device or the USB flash media device is defective. DO NOT proceed in attempting to make the USB flash
media device bootable.
6. Exit FDISK by pressing the Esc key to return to the A:\ prompt.
7. If your bootable DOS diskette contains SYS.COM, go to step 8. Otherwise, go to step 9.
8. At the A:\ prompt, enter SYS x: where x represents the drive letter noted above.
Ä
CAUTION: Make sure that you have entered the correct drive letter for the USB flash media device.
After transferring the system files, SYS will return to the A:\ prompt. Go to step 13.
9. Copy any files you want to keep from your USB flash media device to a temporary directory
on another drive (for example, the system's internal hard drive).
10. At the A:\ prompt, enter FORMAT /S X: where X represents the drive letter noted before.
Ä
CAUTION: Make sure that you have entered the correct drive letter for the USB flash media device.
FORMAT will display one or more warnings and ask you each time whether you want to
proceed. Enter Y each time. FORMAT will format the USB flash media device, add the
system files, and ask for a Volume Label.
11. Press Enter for no label or enter one if desired.
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12. Copy any files you saved in step 9 back to your USB flash media device.
13. Remove the diskette and reboot the computer. The computer will boot to the USB flash
media device as drive C.
default boot order varies from computer to computer, and you can change it in the Computer
✎ The
Setup (F10) Utility.
If you have used a DOS version from Windows 9x, you may see a brief Windows logo screen. If
you do not want this screen, add a zero-length file named LOGO.SYS to the root directory of the
USB flash media device.
Unsupported USB Flash Media Device
Ä
CAUTION: You cannot boot all computers from a USB flash media device. If the default boot order in
the Computer Setup (F10) Utility lists the USB device before the hard drive, you can boot the computer
from a USB flash media device. Otherwise, you must use a bootable diskette.
To create a bootable USB flash media device, you must have a:
■
Supported USB flash media device.
■
Bootable DOS diskette with the FDISK and SYS programs. If SYS is not available, you can
use FORMAT, but you will lose all existing files on the USB flash media device.
■
PC that is bootable from a USB flash media device.
1. If there are any PCI cards in the system that have SCSI, ATA RAID or SATA drives attached,
turn off the computer and unplug the power cord.
Ä
CAUTION: You must unplug the power cord.
2. Open the computer and remove the PCI cards.
3. Insert the USB flash media device into one of the computer's USB ports and remove all other
USB storage devices except USB diskette drives. Close the computer cover.
4. Plug in the power cord and turn on the computer.
5. As soon as the computer is turned on, press and hold the F10 key until you enter Computer
Setup. Press Enter to bypass the title screen, if necessary.
press the F10 key at the appropriate time, you must restart the computer and press
✎ IfandyouholddothenotF10
key again to access the utility.
If you are using a PS/2 keyboard, you may see a Keyboard Error message—disregard it.
6. Go to Integrated Peripherals > South OnChip IDE Device to disable the PATA controller,
and go to Integrated Peripherals > South OnChip PCI Device to disable the SATA
controller. Exit setup, confirming the changes.
7. Insert a bootable DOS diskette with FDISK.COM and either SYS.COM or FORMAT.COM
into a diskette drive and turn on the computer to boot to the DOS diskette.
8. Run FDISK and delete any existing partitions on the USB flash media device. Create a new
partition and mark it active. Exit FDISK by pressing the Esc key.
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9. If the system did not automatically restart when exiting FDISK, press Ctrl+Alt+Del to
reboot to the DOS diskette.
10. At the A:\ prompt, type FORMAT C: /S and press Enter. Format will format the USB flash
media device, add the system files, and ask for a Volume Label.
11. Press Enter for no label or enter one if desired.
12. Turn off the computer and unplug the power cord. Open the computer and re-install any PCI
cards that were previously removed. Close the computer cover.
13. Plug in the power cord, remove the diskette, and turn on the computer.
14. As soon as the computer is turned on, press and hold the F10 key until you enter Computer
Setup. Press Enter to bypass the title screen, if necessary.
15. Go to Integrated Peripherals > South OnChip IDE Device and Integrated Peripherals >
South OnChip PCI Device and re-enable the PATA and SATA controllers that were disabled
in step 6.
16. Save the changes and exit. The computer will boot to the USB flash media device as drive C.
default boot order varies from computer to computer, and you can change it in the Computer
✎ The
Setup (F10) Utility. Refer to the Computer Setup Guide on the Documentation CD for
instructions.
If you have used a DOS version from Windows 9x, you may see a brief Windows logo screen. If
you do not want this screen, add a zero-length file named LOGO.SYS to the root directory of the
USB flash media device.
3.4.5 Dual-State Power Button
With Advanced Configuration and Power Interface (ACPI) enabled for Windows XP, the power
button can function either as an on/off switch or as a suspend button. The suspend feature does
not completely turn off power, but instead causes the computer to enter a low-power standby.
This allows you to quickly power down without closing applications and to quickly return to the
same operational state without any data loss.
To change the power button’s configuration, complete the following steps:
1. Left click on the Start Button, then select Control Panel > Performance and
Maintenance > Power Options.
2. In the Power Options Properties, select the Advanced tab.
3. In the Power Button section, select Standby.
After configuring the power button to function as a suspend button, press the power button to put
the system in a very low power state (standby). Press the button again to quickly bring the system
out of suspend to full power status. To completely turn off all power to the system, press and hold
the power button for four seconds.
Ä
3–8
CAUTION: Do not use the power button to turn off the computer unless the system is not responding;
turning off the power without operating system interaction could cause damage to or loss of data on the
hard drive.
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3.4.6 World Wide Web Site
When making the transition to new or revised operating systems, it is important to implement the
support software designed for that operating system. If you plan to run a version of Microsoft
Windows that is different from the version included with your computer, you must install
corresponding device drivers and utilities to ensure that all features are supported and
functioning properly.
HP has made the task of locating, accessing, evaluating, and installing the latest support software
easier. You can download the software from http://www.hp.com/support. The Web site contains
the latest device drivers, utilities, and flashable ROM images needed to run the latest Microsoft
Windows operating system on your HP computer.
3.4.7 Building Blocks and Partners
HP management solutions integrate with other systems management applications, and are based
on industry standards, such as:
■
Web-Based Enterprise Management (WBEM)
■
Windows Management Interface (WMI)
■
Wake on LAN Technology
■
ACPI
■
SMBIOS
■
Pre-boot Execution (PXE) support
3.5 Asset Tracking and Security
Asset tracking features incorporated into the computer provide key asset tracking data that you
can manage using HP Insight Manager, HP Client Manager or other system management
applications. Seamless, automatic integration between asset tracking features and these products
enables you to choose the management tool that is best suited to your environment and to
leverage your investment in existing tools.
HP also offers several solutions for controlling access to valuable components and information.
ProtectTools Imbeds Security, if installed, prevents unauthorized access to the internal
components of the personal computer. By disabling parallel, serial, or USB ports, or by disabling
removable media boot capability, you can protect valuable data assets. You can automatically
forward Memory Change and Smart Cover Sensor alerts to system management applications to
deliver proactive notification of tampering with a computer’s internal components.
✎ ProtectTools is available on some systems.
Use the following utilities to manage security settings on your HP computer:
■
Locally, using the Computer Setup Utilities. See the Computer Setup (F10) Utility Guide on
the Documentation CD included with the computer for additional information and
instructions on using the Computer Setup Utilities.
■
Remotely, using HP Client Manager or System Software Manager. This software enables the
secure, consistent deployment and control of security settings from a simple command-line
utility.
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The following table and sections refer to managing security features of your computer locally
through the Computer Setup Utilities (F10).
Security Features Overview
Option
Supervisor
Password
Description
Allows you to set and enable Supervisor (administrator) password.
✎
If the Supervisor password is set, it is required to change Computer Setup
options, flash the ROM, and make changes to certain plug and play settings
under Windows.
See the Troubleshooting Guide on the Documentation CD for more information.
User
Password
Allows you to set and enable a User password.
✎
If the User password is set, it is required to access the computer when power is
turned on.
See the Troubleshooting Guide on the Documentation CD for more information.
Device
Security
Enables/disables serial ports, parallel port, front USB ports, system audio, and
network controllers (some models).
Network
Service Boot
Enables/disables the computer’s ability to boot from an operating system
installed on a network server. (Feature available on NIC models only; the
network controller must reside on the PCI bus or be embedded on the system
board.)
System IDs
Allows you to set:
• Asset tag (18-byte identifier) and ownership Tag (80-byte identifier
displayed during POST).
• Chassis serial number or Universal Unique Identifier (UUID) number. The
UUID can only be updated if the current chassis serial number is invalid.
(These ID numbers are normally set in the factory and are used to uniquely
identify the system.)
Keyboard locale setting (for example, English or German) for System ID entry.
Master Boot
Record
Security
Allows you to enable or disable Master Boot Record (MBR) Security.
When enabled, the BIOS rejects all requests to write to the MBR on the current
bootable disk. Each time the computer is powered on or rebooted, the BIOS
compares the MBR of the current bootable disk to the previously-saved MBR. If
changes are detected, you are given the option of saving the MBR on the
current bootable disk, restoring the previously-saved MBR, or disabling MBR
Security. You must know the setup password, if one is set.
✎
Disable MBR Security before intentionally changing the formatting or
partitioning of the current bootable disk. Several disk utilities (such as FDISK
and FORMAT) attempt to update the MBR.
If MBR Security is enabled and disk accesses are being serviced by the BIOS,
write requests to the MBR are rejected, causing the utilities to report errors.
If MBR Security is enabled and disk accesses are being serviced by the operating
system, any MBR change will be detected by the BIOS during the next reboot, and an
MBR Security warning message will be displayed.
✎
3–10
For more information about Computer Setup, see the Computer Setup (F10) Utility Guide on the
Documentation CD.
Support for security features may vary depending on the specific computer configuration.
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3.5.1 Password Security
The user password prevents unauthorized use of the computer by requiring entry of a password to
access applications or data each time the computer is turned on or restarted. The setup password
specifically prevents unauthorized access to Computer Setup, and can also be used as an override
to the user password. That is, when prompted for the user password, entering the supervisor
password instead will allow access to the computer.
A network-wide setup password can be established to enable the system administrator to log in to
all network systems to perform maintenance without having to know the user password, even if
one has been established.
Software Manager and HP Client Manager Software allow remote management of Setup
✎ System
Passwords and other BIOS settings in a networked environment. For more information, visit
http://www.hp.com/go/EasyDeploy.
3.5.2 Establishing a Supervisor Password with Computer Setup
If the system is equipped with an embedded security device, refer to HP ProtectTools Embedded
Security Guide, on the Documentation CD. Establishing a Supervisor password through
Computer Setup prevents reconfiguration of the computer (use of the Computer Setup F10
utility) until the password is entered.
1. Turn on or restart the computer. If you are in Windows, click Start > Shut Down > Restart.
2. As soon as the computer is turned on, press and hold the F10 key until you enter Computer
Setup. Press Enter to bypass the title screen, if necessary.
press the F10 key at the appropriate time, you must restart the computer and press
✎ IfandyouholddothenotF10
key again to access the utility.
If you are using a PS/2 keyboard, you may see a Keyboard Error message—disregard it.
3. Select Set Security Password and follow the instructions on the screen.
4. Before exiting, on the File menu, select Save Changes and Exit.
3.5.3 Establishing a User Password with Computer Setup
Establishing a user password through Computer Setup prevents access to the computer when
power is turned on unless the password is entered. When a user password is set, Computer Setup
presents Password Options under the Security menu. Password options include Password Prompt
on Warm Boot. When Password Prompt on Warm Boot is enabled, you must also enter the
password each time the computer is rebooted.
1. Turn on or restart the computer. If you are in Windows, click Start > Shut Down > Restart.
2. As soon as the computer is turned on, press and hold the F10 key until you enter Computer
Setup. Press Enter to bypass the title screen, if necessary.
press the F10 key at the appropriate time, you must restart the computer and press
✎ IfandyouholddothenotF10
key again to access the utility.
If you are using a PS/2 keyboard, you may see a Keyboard Error message—disregard it.
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3. Select Security, then Power-On Password and follow the instructions on the screen.
4. Before exiting, on the File menu, select Save Changes and Exit.
Entering a User Password
To enter a power-on password, complete the following steps:
1. Turn on or restart the computer. If you are in Windows, click Start > Shut Down > Restart.
2. When the key icon appears on the monitor, type your current password, then press Enter.
✎ Type carefully; for security reasons, the characters you type do not appear on the screen.
If you enter the password incorrectly, the message “Invalid Password, Press any key to continue!”
appears. Try again. After three unsuccessful tries, you must turn off the computer, then turn it on
again before you can continue.
Entering a Supervisor Password
If the system is equipped with an embedded security device, refer to the HP ProtectTools
Embedded Security Guide, on the Documentation CD.
If a Supervisor password has been established on the computer, you will be prompted to enter it
each time you run Computer Setup.
1. Turn on or restart the computer. If you are in Windows, click Start > Shut Down > Restart.
2. As soon as the computer is turned on, press and hold the F10 key until you enter Computer
Setup. Press Enter to bypass the title screen, if necessary.
press the F10 key at the appropriate time, you must restart the computer and press
✎ IfandyouholddothenotF10
key again to access the utility.
If you are using a PS/2 keyboard, you may see a Keyboard Error message—disregard it.
3. When the Enter Password box appears on the monitor, type the supervisor password, then
press Enter.
✎ Type carefully; for security reasons, the characters you type do not appear on the screen.
If you enter the password incorrectly, the message “Invalid Password, Press any key to continue!”
appears. Try again. After three unsuccessful tries, you must turn off the computer, then turn it on
again before you can continue.
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Changing a User or Supervisor Password
If the system is equipped with an embedded security device, refer to the HP ProtectTools
Embedded Security Guide, on the Documentation CD.
1. Turn on or restart the computer. If you are in Windows, click Start > Shut Down > Restart
the Computer.
2. When the Enter Password box appears, type the current User password, if a password is
required.
3. Press Enter.
4. Press and hold the F10 key until you enter Computer Setup. Press Enter to bypass the title
screen, if necessary.
press the F10 key at the appropriate time, you must restart the computer and press
✎ IfandyouholddothenotF10
key again to access the utility.
If you are using a PS/2 keyboard, you may see a Keyboard Error message—disregard it.
5. When the Enter Password box appears to access Computer Setup, type the current
Supervisor password, if required.
6. Press Enter.
7. Select either Set Supervisor Password or Set User Password.
8. When the Enter Password box appears on the screen, type the new password and press
Enter.
9. Before exiting, on the File menu, select Save Changes and Exit.
delete a password instead of changing it, when the Enter Password box appears on the
✎ Toscreen,
press Enter instead of entering the new password. This deletes the current password.
Clearing Passwords
If you forget the password, you cannot access the computer. Refer to the Troubleshooting Guide
on the Documentation CD for instructions on clearing passwords.
If the system is equipped with an embedded security device, refer to the HP ProtectTools
Embedded Security Guide, on the Documentation CD.
3.5.4 Master Boot Record Security
The Master Boot Record (MBR) contains information needed to successfully boot from a disk
and to access the data stored on the disk. Master Boot Record Security may prevent unintentional
or malicious changes to the MBR, such as those caused by some computer viruses or by the
incorrect use of certain disk utilities. It also allows you to recover the “last known good” MBR,
should the computer detect changes to the MBR when the system is restarted.
To enable MBR Security, complete the following steps:
1. Turn on or restart the computer. If you are in Windows, click Start > Shut Down > Restart.
2. As soon as the computer is turned on, press and hold the F10 key until you enter Computer
Setup. Press Enter to bypass the title screen, if necessary.
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press the F10 key at the appropriate time, you must restart the computer and press
✎ IfandyouholddothenotF10
key again to access the utility.
If you are using a PS/2 keyboard, you may see a Keyboard Error message—disregard it.
3. Select Advanced BIOS Features > MBR Security and press Enter.
4. In the MBR Security box, press the up or down arrows to select Enabled or Disabled.
5. To accept the changes, press Enter. To abort the changes, press the Esc key.
When MBR Security is enabled, the BIOS prevents any changes being made to the MBR of the
current bootable disk while in MS-DOS or Windows Safe Mode.
operating systems control access to the MBR of the current bootable disk; the BIOS cannot
✎ Most
prevent changes that may occur while the operating system is running.
Each time the computer is turned on or restarted, the BIOS compares the MBR of the current
bootable disk to the previously saved MBR. If changes are detected and if the current bootable
disk is the same disk from which the MBR was previously saved, the following message is
displayed:
1999—Master Boot Record has changed.
1. Press any key to enter Setup to configure MBR Security.
2. Upon entering Computer Setup, you must disable the MBR Security feature.
You must know the supervisor password, if one exists.
If changes are detected and if the current bootable disk is not the same disk from which the MBR
was previously saved, the following message is displayed:
2000—Master Boot Record Hard Drive has changed.
1. Press any key to enter Setup to configure MBR Security.
2. Upon entering Computer Setup, you must disable the MBR Security feature.
You must know the supervisor password, if one exists.
In the unlikely event that the previously saved MBR has been corrupted, the following message is
displayed:
1998—Master Boot Record has been lost.
1. Press any key to enter Setup to configure MBR Security.
2. Upon entering Computer Setup, you must disable the MBR Security feature.
You must know the supervisor password, if one exists.
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3.5.5 Before You Partition or Format the Current Bootable Disk
Ensure that MBR Security is disabled before you change partitioning or formatting of the current
bootable disk. Some disk utilities, such as FDISK and FORMAT, attempt to update the MBR. If
MBR Security is enabled when you change partitioning or formatting of the disk, you may
receive error messages from the disk utility or a warning from MBR Security the next time the
computer is turned on or restarted.
To disable MBR Security, complete the following steps:
1. Turn on or restart the computer. If you are in Windows, click Start > Shut Down > Restart.
2. As soon as the computer is turned on, press and hold the F10 key until you enter Computer
Setup. Press Enter to bypass the title screen, if necessary.
press the F10 key at the appropriate time, you must restart the computer and press
✎ IfandyouholddothenotF10
key again to access the utility.
If you are using a PS/2 keyboard, you may see a Keyboard Error message—disregard it.
3. Select Advanced BIOS Features > MBR Security and press Enter.
4. In the MBR Security Pop-up box, use the down arrow key to select Disabled.
5. Press Enter.
6. Before exiting, on the File menu, click Save and Exit Setup.
3.5.6 Cable Lock Provision
The rear panel of the computer accommodates a cable lock so that you can physically secure the
computer to a work area.
For illustrated instructions, see the Removal and Replacement Chapter for the specific chassis.
3.6 Fault Notification and Recovery
Fault Notification and Recovery features combine innovative hardware and software technology
to prevent the loss of critical data and minimize unplanned downtime.
When a fault occurs, the computer displays a Local Alert message containing a description of the
fault and any recommended actions. You can then view current system health by using the HP
Client Manager Software. If the computer is connected to a network managed by HP Insight
Manager, HP Client Manager Software, or other system management applications, the computer
also sends a fault notice to the network management application.
3.6.1 Surge-Tolerant Power Supply
An integrated surge-tolerant power supply provides greater reliability when the computer is hit
with an unpredictable power surge. This power supply is rated to withstand a power surge of up
to 2000 volts without incurring any system downtime or data loss.
3.6.2 Thermal Sensor
The thermal sensor is a hardware and software feature that tracks the internal temperature of the
computer. This feature displays a warning message when the normal range is exceeded, which
gives you time to take action before internal components are damaged or data is lost.
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Serial and Parallel ATA Drive
Guidelines and Features
ATA = SATA
✎ Serial
Parallel ATA = PATA
Ä
4.1
CAUTION: HP only supports a PATA hard drive in SATA systems when the PATA hard drive is used in
a MultiBay device.
SATA Hard Drive Information
Characteristic
SATA
Number of pins/conductors in data cable
7/7
Number of pins in power cable
15
Maximum data cable length
39.37 in (100 cm)
Data interface voltage differential
400 - 700 mV
Drive voltages
3.3 V, 5V, 12 V
Jumpers for configuring drive
N/A
Data transfer rate
1.5 Gb/s
SATA connectors on the system board are color coded to make identification easier.
SATA Identification
Primary channel, device 0
Secondary channel, device 0
Color
Blue
White
4.1.1 SATA Data Cable
The SATA data cable is a thin, 7-pin cable designed to transmit data for only a single drive. As
shown in the table, each cable has three grounds, and four transmit/receive pins.
SATA data cables are susceptible to damage if overflexed. Never crease a SATA data cable and
never bend it tighter than a 30 mm (1.18 in) radius.
Serial and Parallel ATA Drive Guidelines and Features
Pin Number
Usage
Device Plug
Host Plug
P1
Ground
Ground
Ground
P2*
A+
Transmit data
Receive data
P3*
A-
Transmit data
Receive data
P4
Ground
Ground
Ground
P5**
B-
Receive data
Transmit data
P6**
B+
Receive data
Transmit data
P7
Ground
Ground
Ground
*P2 and P3 differential signal pair
**P5 and P6 differential signal pair
4.1.2 SATA Power Cable
Pin
Usage
Notes
Pin
Usage
Notes
P1
V3.3
3.3 V power
P9
V5
5 V power
P2
V3.3
3.3 V power
P10
Ground
P3
V3.3
3.3 V power
P11
Reserved
P4
Ground
P12
Ground
P5
Ground
P13
V 12
12 V power
P6
Ground
P14
V12
12 V power
P7
V5
5 V power
P15
V12
12 V power
P8
V5
5 V power
4.2 PATA Hard Drive Information
Characteristic
PATA
Number of pins/conductors in data cable
40/80
Number of pins in power cable
4
Maximum data cable length
18 in (45.7 cm)
Data interface voltage
5V
Drive voltages
5 V, 12 V
Jumpers for configuring drive
Required
Data transfer rate
4–2
up to 1.0 Gb/s
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4.2.1 PATA Data Cable
Pin
Signal
Pin
Signal
Pin
Signal
1
2
3
4
5
Reset
Ground
DD7
DD8
DD6
15
16
17
18
19
DD1
DD14
DD0
DD15
Ground
29
30
31
32
33
DMAK
Ground
INTRQ
IOCS16
DA1
6
7
8
9
10
DD9
DD5
DD10
DD4
DD11
20
21
22
23
24
(Key)
DMARQ
Ground
DIOW
Ground
34
35
36
37
38
PDIAG (cable detect)
DA0
DA2
CS1FX
CS3FX
11
12
13
14
DD3
DD12
DD2
DD13
25
26
27
28
DIOR
Ground
IORDY
CSEL
39
40
DASP
Ground
4.2.2 PATA Power Cable
Pin
Usage
1
+12 V
2
Ground
3
Ground
4
+5 V
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4.2.3 PATA Cable Layout
The faces of industry-standard cable connectors are color-coded for easy recognition:
■
System board connector = blue face
■
Device 0 connector = black face
■
Device 1 connector = gray face
color code of an industry-standard cable is applicable only if the drive’s jumper is in the
✎ The
cable-select position.
Single-Drive Cable
System
Board
Device 0
Blue
Face
Black
Face
Two-Drive Cable
System
Board
Device 1
Device 0
Blue
Face
Gray
Face
Black
Face
On a two-drive cable, the Drive/Device 0 connector is always the farthest one from the system
board connector and the Drive/Device 1 connector is always the closest to the system board
connector.
cables may be labeled “Drive 0” instead of “Device 0” and “Drive 1” instead of
✎ Some
“Device 1”.
4.3 PATA Drive Installation Guidelines
Ä
CAUTION: HP only supports a PATA hard drive in SATA systems when the PATA hard drive is used in
a MultiBay device.
This computer system board has one Parallel ATA (PATA) channel.
The channel can have up to two devices attached to it. All drives are connected to a channel
using an industry-standard 80-conductor cable.
industry standard 1.44 MB diskette drive has its own separate channel and is not included as
✎ The
a part of the maximum four drives.
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The drive attached to a channel must have a drive designation. If a drive is attached to the
Device 0 cable position and its cable-select jumper is present, the drive is designated as Device
0. Similarly, if a drive is attached to the Device 1 cable position and its cable-select jumper is
present, the drive is designated as Device 1.
For optimal performance of a computer system, all drives need to be attached to the PATA
channel(s) in a specified sequence. This sequence is determined by the device class of the drives
and by specific attach sequence rules.
4.3.1 PATA Device Classes
To determine the best drive attach sequence, ATA/ATAPI drives are segregated into four
different classes based upon the bandwidth demands they place on an ATA channel. The most
demanding devices are in Class 1 and the least demanding are in Class 4.
Class 1
Hard
Drives
Only MultiBay
hard drive is
supported
Class 2
High Speed
Optical Drives
DVD
DVD-CD R/W
Class 3
Optical Storage
Drives
R/W CD-ROM
CD-ROM
Class 4
Magnetic
Storage Drives
Zip
General Attach Guidelines
■
The lower the device class number, the faster the device and the more bandwidth required.
■
A drive installed in the Device 0 position receives the greatest possible bandwidth.
4.4 ATA SMART Drives
The Self Monitoring Analysis and Recording Technology (SMART) ATA drives for the HP
Personal Computers have built-in drive failure prediction that warns the user or network
administrator of an impending failure or crash of the hard drive. The SMART drive tracks fault
prediction and failure indication parameters such as reallocated sector count, spin retry count,
and calibration retry count. If the drive determines that a failure is imminent, it generates a fault
alert.
4.5 Drive Capacities
The combination of the file system and the operating system used in the computer determines the
maximum usable size of a drive partition. A drive partition is the largest segment of a drive that
the operating system can properly access. Therefore, a single hard drive can be subdivided into a
number of unique drive partitions in order to make use of all of its space.
Because of the differences in the way that drive sizes are calculated, the size reported by the
operating system may differ from that marked on the hard drive or listed in the computer
specification. Drive size calculations by drive manufacturers are bytes to the base 10 while
calculations by Microsoft are bytes to the base 2.
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Drive/Partition Capacity Limits
Maximum Size
File
System
Controller
Type
Operating System
FAT 32
ATA
Windows 2000/ XP
NTFS
ATA
Windows NT/2000/XP
Partition
Drive
32 GB
128 PB
2 TB
128 PB
4.6 SATA BIOS
Windows 2000 and XP
Windows 9x, NT, and Linux
Enhanced Mode (default BIOS Setting)
—Separate IDE controller
Compatibility Mode (non-default BIOS Setting)
—Combined IDE controller
• PATA Controller in Legacy Mode
- Device 0 is accessible as Device 0 of
PATA controller’s Primary Channel
- Device 1 is accessible as Device 1 of
PATA controller’s Primary Channel
• PATA Controller in Legacy Mode
- Device 0 is accessible as Device 0 of the
combined controller’s Secondary Channel
- Device 1 is accessible as Device 1 of the
combined controller’s Secondary Channel
• SATA Controller in Native Mode
- SATA 0 is accessible as Device 0 of
SATA controller’s Primary Channel
- SATA 1 is accessible as Device 0 of
SATA controller’s Secondary Channel
SATA 2 is accessible as Device 1 of SATA
controller’s Primary Channel
- SATA 3 is accessible as Device 1 of
SATA controller’s Secondary Channel
• SATA Controller in Legacy Mode
- SATA 0 is accessible as Device 0 of the
combined controller’s Primary Channel
- SATA 1 is inaccessible
- SATA 2 is accessible as device 1 of the
combined controller’s Primary Channel
- SATA 3 is inaccessible
4.6.1 Legacy Mode
Use Legacy mode to access devices attached to the embedded IDE controller. The channel
requires two fixed I/O address ranges and an IRQ for each.
4–6
❏
Command block: 1F0h - 1F7h
❏
Control block: 3F6h
❏
IRQ: 14
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4.6.2 Native Mode
Use Native mode to access devices attached to add-in cards. Native mode is not supported by
many legacy operating systems. PCI Plug-n-Play BIOS assigns addresses and the IRQ is shared
with multiple controllers. The PCI Configuration Space contains Base Address Registers for the
Command and Control Block.
■
Offset 10h—Primary Command base address
■
Offset 14h—Primary Control base address
■
Offset 18h—Secondary Command base address
■
Offset 1Ch—Secondary Control base address
4.7 Mixed Devices Boot and Drive Letter Ordering
SATA Emulation
Separate IDE Controller
(default). Used with Windows
2000 and XP.
Hard Drive Order
HDD Boot and Drive
Letter Ordering
A. Integrated SATA
A1. SATA 0
B. Integrated IDE
A2. SATA 2
A3. SATA 1
A4. SATA 3
B1. IDE Device 0
B2. IDE Device 1
Separate IDE Controller.
Used with Windows 2000
and XP.
A. Integrated IDE
A1. IDE Device 0
B. Integrated SATA
A2. IDE Device 1
B1. SATA 0
B2. SATA 2
B3. SATA 1
B4. SATA 3
Combined with IDE
Controller. Used with
Windows 9x, NT, and Linux.
A. Integrated SATA
A1. SATA 0
B. Integrated IDE
A2. SATA 2
B1. IDE Device 0
B2. IDE Device 1
Combined with IDE
Controller. Used with
Windows 9x, NT, and Linux.
A. Integrated IDE
A1. IDE Device 0
B. Integrated SATA
A2. IDE Device 1
B1. SATA 0
B2. SATA 2
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4–8
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5
Identifying the Chassis, Routine Care, and
Disassembly Preparation
This chapter provides general service information. To properly service the computer, you must
adhere to the procedures and precautions described in this chapter.
Ä
CAUTION: When the computer is plugged into an AC power source, voltage is always applied to the
system board. You must disconnect the power cord from the power source before opening the computer
to prevent system board or component damage.
✎ Not all models are available in all chassis styles.
5.1
Chassis Designations
5.1.1 Microtower (MT)
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5.1.2 Small Form Factor (SFF)
5.2
Electrostatic Discharge Information
A sudden discharge of static electricity from your finger or other conductor can destroy
static-sensitive devices or microcircuitry. Often the spark is neither felt nor heard, but damage
occurs. An electronic device exposed to electrostatic discharge (ESD) may not appear to be
affected at all and can work perfectly throughout a normal cycle. The device may function
normally for a while, but it has been degraded in the internal layers, reducing its life expectancy.
Networks built into many integrated circuits provide some protection, but in many cases, the
discharge contains enough power to alter device parameters or melt silicon junctions.
5–2
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5.2.1 Generating Static
The following table shows that:
■
Different activities generate different amounts of static electricity.
■
Static electricity increases as humidity decreases.
Relative Humidity
Event
55%
40%
10%
Walking across carpet
Walking across vinyl floor
Motions of bench worker
Removing DIPs* from plastic tube
7,500
3,000
400
400
V
V
V
V
15,000
5,000
800
700
V
V
V
V
35,000
12,000
6,000
2,000
V
V
V
V
Removing DIPs* from vinyl tray
Removing DIPs* from Styrofoam
Removing bubble pack from PCB
Packing PCBs in foam-lined box
2,000
3,500
7,000
5,000
V
V
V
V
4,000
5,000
20,000
11,000
V
V
V
V
11,500
14,500
26,500
21,000
V
V
V
V
*These components are multi-packaged inside plastic tubes, trays, or Styrofoam.
✎ 700 volts can degrade a product.
5.2.2 Preventing Electrostatic Damage to Equipment
Many electronic components are sensitive to ESD. Circuitry design and structure determine the
degree of sensitivity. The following packaging and grounding precautions are necessary to
prevent damage to electric components and accessories.
■
To avoid hand contact, transport products in static-safe containers such as tubes, bags, or
boxes.
■
Protect all electrostatic parts and assemblies with conductive or approved containers or
packaging.
■
Keep electrostatic sensitive parts in their containers until they arrive at static-free stations.
■
Place items on a grounded surface before removing them from their container.
■
Always be properly grounded when touching a sensitive component or assembly.
■
Avoid contact with pins, leads, or circuitry.
■
Place reusable electrostatic-sensitive parts from assemblies in protective packaging or
conductive foam.
5.2.3 Personal Grounding Methods and Equipment
Use the following equipment to prevent static electricity damage to equipment:
■
Wrist straps are flexible straps with a maximum of one-megohm ± 10% resistance in the
ground cords. To provide proper ground, you must wear a strap snug against bare skin. The
ground cord must be connected and fit snugly into the banana plug connector on the
grounding mat or workstation.
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■
Heel straps/Toe straps/Boot straps can be used at standing workstations and are
compatible with most types of shoes or boots. On conductive floors or dissipative floor mats,
use them on both feet with a maximum of one-megohm ± 10% resistance between the
operator and ground.
Static Shielding Protection Levels
Method
Antistatic plastic
Carbon-loaded plastic
Metallized laminate
Voltage
1,500
7,500
15,000
5.2.4 Grounding the Work Area
To prevent static damage at the work area, use the following precautions:
■
Cover the work surface with approved static-dissipative material. Provide a wrist strap
connected to the work surface and properly grounded tools and equipment.
■
Use static-dissipative mats, foot straps, or air ionizers to give added protection.
■
Handle electrostatic sensitive components, parts, and assemblies by the case or PCB
laminate. Handle them only at static-free work areas.
■
Turn off power and input signals before inserting and removing connectors or test
equipment.
■
Use fixtures made of static-safe materials when fixtures must directly contact dissipative
surfaces.
■
Keep work area free of nonconductive materials such as ordinary plastic assembly aids and
Styrofoam.
■
Use conductive field service tools, such as cutters, screwdrivers, and vacuums.
5.2.5 Recommended Materials and Equipment
Materials and equipment recommended for use in preventing static electricity include:
5–4
■
Antistatic tape
■
Antistatic smocks, aprons, or sleeve protectors
■
Conductive bins and other assembly or soldering aids
■
Conductive foam
■
Conductive tabletop workstations with ground cord of one-megohm +/- 10% resistance
■
Static-dissipative table or floor mats with hard tie to ground
■
Field service kits
■
Static awareness labels
■
Wrist straps and footwear straps providing one-megohm +/- 10% resistance
■
Material handling packages
■
Conductive plastic bags
■
Conductive plastic tubes
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5.3
■
Conductive tote boxes
■
Opaque shielding bags
■
Transparent metallized shielding bags
■
Transparent shielding tubes
Operating Guidelines
To prevent overheating and to help prolong the life of the computer:
5.4
■
Keep the computer away from excessive moisture, direct sunlight, and extremes of heat and
cold.
■
Operate the computer on a sturdy, level surface. Leave a 10.2-cm (4-inch) clearance on all
vented sides of the computer and above the monitor to permit the required airflow.
■
Never restrict the airflow into the computer by blocking any vents or air intakes. Do not place
the keyboard, with the keyboard feet down, directly against the front of the desktop unit as
this also restricts airflow.
■
Occasionally clean the air vents on all vented sides of the computer. Lint, dust, and other
foreign matter can block the vents and limit the airflow.
■
Never operate the computer with the cover or side panel removed.
■
Do not stack computers on top of each other or place computers so near each other that they
are subject to each other’s re-circulated or preheated air.
■
If the computer is to be operated within a separate enclosure, intake and exhaust ventilation
must be provided on the enclosure, and the same operating guidelines listed above will still
apply.
■
The computer is designed to operate continuously (24x7), provided that the operating
guidelines listed above are met.
■
Install or enable power management functions of the operating system or other software,
including sleep states.
Routine Care
5.4.1 General Cleaning Safety Precautions
1. Never use solvents or flammable solutions to clean the computer.
2. Never immerse any parts in water or cleaning solutions; apply any liquids to a clean cloth
and then use the cloth on the component.
3. Always unplug the computer when cleaning with liquids or damp cloths.
4. Always unplug the computer before cleaning the keyboard, mouse, or air vents.
5. Disconnect the keyboard before cleaning it.
6. Wear safety glasses equipped with side shields when cleaning the keyboard.
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5.4.2 Cleaning the Computer Case
Follow all safety precautions in Section 5.4.1, “General Cleaning Safety Precautions,” before
cleaning the computer.
To clean the computer case, follow the procedures described below:
■
To remove light stains or dirt, use plain water with a clean, lint-free cloth or swab.
■
For stronger stains, use a mild dishwashing liquid diluted with water. Rinse well by wiping it
with a cloth or swab dampened with clear water.
■
For stubborn stains, use isopropyl (rubbing) alcohol. No rinsing is needed as the alcohol will
evaporate quickly and not leave a residue.
■
After cleaning, always wipe the unit with a clean, lint-free cloth.
■
Occasionally clean the air vents on the computer. Lint and other foreign matter can block the
vents and limit the airflow.
5.4.3 Cleaning the Keyboard
Follow all safety precautions in Section 5.4.1, “General Cleaning Safety Precautions,” before
cleaning the keyboard.
To clean the tops of the keys or the keyboard body, follow the procedures described in
Section 5.4.2, “Cleaning the Computer Case.”
When cleaning debris from under the keys, review all rules in Section 5.4.1, “General Cleaning
Safety Precautions,” before following these procedures:
Ä
Ä
CAUTION: Use safety glasses equipped with side shields before attempting to clean debris from under
the keys.
■
You may remove visible debris underneath or between the keys by vacuuming or shaking.
■
You may use canned, pressurized air to clean debris from under the keys. Use caution, as too
much air pressure can dislodge lubricants applied under the wide keys.
■
If you remove a key, use a specially designed key puller to prevent damage to the keys. This
tool is available through many electronic supply outlets.
CAUTION: Never remove a wide leveled key (like the space bar) from the keyboard. If these keys are
improperly removed or installed, the keyboard may not function properly.
■
Clean under a key with a swab moistened with isopropyl alcohol and squeezed out. Be
careful not to wipe away lubricants necessary for proper key functions. Use tweezers to
remove any fibers or dirt in confined areas. Allow the parts to air dry before reassembly.
5.4.4 Cleaning the Monitor
5–6
■
Wipe the monitor screen with a clean cloth moistened with water or with a towelette
designed for cleaning monitors. Do not use sprays or aerosols directly on the screen; the
liquid may seep into the housing and damage a component. Never use solvents or flammable
liquids on the monitor.
■
To clean the monitor body, follow the procedures in Section 5.4.2, “Cleaning the Computer
Case.”
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5.4.5 Cleaning the Mouse
Before cleaning the mouse, ensure that the power to the computer is turned off.
5.5
■
Clean the mouse ball by first removing the retaining plate and the ball from the housing. Pull
out any debris from the ball socket and wipe the ball with a clean, dry cloth before
reassembly.
■
To clean the mouse body, follow the procedures in Section 5.4, “Routine Care.”
Service Considerations
Listed below are some of the considerations that you should keep in mind during the disassembly
and assembly of the computer.
5.5.1 Power Supply Fan
The power supply fan is a variable-speed fan based on the temperature in the power supply.
Ä
CAUTION: The cooling fan is always on when the computer is either in the “On,” “Standby,” or
“Suspend” modes. The cooling fan of off when the computer is in “Standby,” “Suspend,” or “OFF”
modes.
You must disconnect the power cord from the power source before opening the computer to prevent
system board or component damage.
5.5.2 Tools and Software Requirements
To service the computer, you need the following:
■
Torx T-15 screwdriver (Compaq screwdriver with bits, PN 161946-001)
■
Torx T-15 screwdriver with small diameter shank (for certain front bezel removal)
■
Flat-bladed screwdriver (may sometimes use in place of the Torx screwdriver)
■
Phillips #2 screwdriver
■
Diagnostics software
■
Compaq tamper-resistant T-15 wrench (Smart Cover FailSafe Key, PN 166527-001) or
Compaq tamper-resistant bits (Smart Cover FailSafe Key, PN 166527-002)
5.5.3 Screws
The screws used in the computer are not interchangeable. They may have standard or metric
threads and may be of different lengths. If an incorrect screw is used during the reassembly
process, the screw can damage the unit. HP strongly recommends that you keep all screws
removed during disassembly with the part that was removed, then returned to their proper
locations.
screws have a black finish.
✎ Metric
U.S. screws have a silver finish and are used only for the hard drive.
you remove each subassembly from the computer, place the subassembly away from the work
✎ As
area to prevent damage.
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5.5.4 Cables and Connectors
Most cables used in the unit are flat, flexible cables. You just handle these cables with care to
avoid damage. Apply only the tension required to seat or unseat the cables during insertion or
removal from the connector. Handle cables by the connector whenever possible. In all cases,
avoid bending or twisting the cables, and ensure that the cables are routed in such a way that they
cannot be caught or snagged by parts being removed or replaced.
Ä
CAUTION: When servicing this computer, ensure that you place cables in their proper location during
the reassembly process. Improper cable placement can damage the computer.
5.5.5 Hard Drives
Handle hard drives as delicate, precision components, avoiding all physical shock and vibration.
This applies to failed drives as well as replacement spares.
5–8
■
If you must mail a drive, place the drive in a bubble-pack mailer or other suitable protective
packaging and label the package “Fragile: Handle With Care.”
■
Do not remove hard drives from the shipping package for storage. Keep hard drives in their
protective packaging until they are mounted in the CPU.
■
Avoid dropping drives from any height onto any surface.
■
If you are inserting or removing a hard drive, turn off the computer. Do not remove a hard
drive while the computer is on or in standby mode.
■
Before handling a drive, discharge yourself of static electricity. While handling a drive,
avoid touching the connector. For more information about preventing electrostatic damage,
refer to Section 5.2, “Electrostatic Discharge Information.”
■
Do not use excessive force when inserting a drive.
■
Avoid exposing a hard drive to liquids, temperature extremes, or products that have magnetic
fields, such as monitors or speakers.
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5.5.6 Lithium Coin Cell Battery
The battery that comes with the computer provides power to the real-time clock and has a
lifetime of about three years.
See the appropriate removal and replacement chapter for the chassis you are working on in this
guide for replacement procedures.
Å
WARNING: This computer contains a lithium battery. There is a risk of fire and chemical burns if the
battery is handled improperly. Do not disassemble, crush, puncture, short external contacts, dispose in
water or fire, or expose it to temperatures higher than 60ºC (140ºF).
Ä
CAUTION: Batteries, battery packs, and accumulators should not be disposed of together with the
general household waste.
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6
Removal and Replacement Procedures—
Microtower (MT) Chassis
Adherence to the procedures and precautions described in this chapter is essential for proper
service. After completing all necessary removal and replacement procedures, run the Diagnostics
utility to verify that all components operate properly.
✎ Not all features listed in this guide are available on all computers.
6.1
Preparation for Disassembly
See Chapter 5, “Identifying the Chassis, Routine Care, and Disassembly Preparation,” for initial
procedures.
1. Remove/disengage any security devices that prohibit opening the computer (Section 6.2.1,
“Installing a Cable Lock,” and Section 6.2.2, “Installing a Padlock”).
2. Close any open software applications.
3. Exit the operating system.
4. Remove any diskette, compact disc, or MultiBay device from the computer.
5. Turn off the computer and any peripheral devices that are connected to it.
Ä
Ä
CAUTION: Turn off the computer before disconnecting any cables.
CAUTION: Regardless of the power-on state, voltage is always present on the system board as long as
the system is plugged into an active AC outlet. In some systems, the cooling fan is on even when the
computer is in the “Standby” or “Suspend” mode. Always disconnect the power cord before servicing a
unit.
6. Disconnect the power cord from the electrical outlet and then from the computer.
7. Disconnect all peripheral device cables from the computer.
disassembly, label each cable as you remove it, noting its position and routing. Keep all
✎ During
screws with the units removed.
Ä
CAUTION: The screws used in the computer are of different thread sizes and lengths; using the wrong
screw in an application may damage the unit.
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6.2 External Security Devices
6.2.1 Installing a Cable Lock
The cable lock may be used to secure the computer access panel to the chassis and, at the same
time, secure the computer to a fixed object.
6.2.2 Installing a Padlock
A padlock may be used by itself to secure the access panel to the computer chassis. A padlock
may also be used with a security cable to secure the computer to a fixed object.
I
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6.3
Access Panel
1. Prepare the computer for disassembly (Section 6.1, “Preparation for Disassembly”).
Ä
CAUTION: Before removing the computer access panel, ensure that the computer is turned off and that
the power cord is disconnected from the electrical outlet.
2. Loosen the captive thumbscrew 1 that secures the access panel to the computer chassis.
3. Slide the access panel 2 back about 2.5 cm (1 inch), then lift it off the unit.
may want to lay the computer on its side to install internal parts. Make sure the side with the
✎ You
access panel and pull grip is facing up.
To install the access panel, reverse the removal procedure.
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6.4 Front Bezel
1. Prepare the computer for disassembly (Section 6.1, “Preparation for Disassembly”).
2. Remove the access panel (Section 6.3, “Access Panel”).
3. To remove the front bezel, press in on the two bottom tabs on the side of the bezel 1 so that
they release from the chassis. Then press in on the upper tab on the side of the bezel so that it
releases from the chassis. The bezel will rotate out slightly 2.
To reinstall the front bezel,
1. Position the chassis in the upright position.
2. Insert the two hooks on the right side of the bezel 1 into the rectangular holes on the chassis
then rotate the bezel into place 2 so that the three tabs on the left side of the bezel and the
single tab on the upper right corner of the bezel snap into the slots on the chassis.
6–4
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6.5 Front Drive Bezels
1. Prepare the computer for disassembly (Section 6.1, “Preparation for Disassembly”).
2. Remove the access panel (Section 6.3, “Access Panel”).
3. Remove the front bezel (Section 6.4, “Front Bezel”)
6.5.1 5.25" Drive Bezel Blank
Press the two retaining tabs on the inside of the large bezel 1 towards the outside of the bezel to
release the bezel blank. At the same time, pull the bezel blank in 2 to remove it from the front
bezel.
To install a bezel blank, reverse the removal procedure.
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6.5.2 Diskette Drive Bezel
Press the two upper 1 or the two lower 2 tabs for the diskette drive bezel towards the center of
the drive bezel and push the bezel out to remove it from the front bezel.
To install a bezel or a bezel blank, reverse the removal procedure.
6.5.3 3.5" Drive Bezel Blank
Press the two upper 1 or the two lower 2 tabs for the 3.5" drive bezel towards the center of the
3.5" drive bezel and push the bezel blank out to remove it from the front bezel.
To install a bezel blank, reverse the removal procedure.
6–6
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6.6 Cable Management
Always follow good cable management practices when working inside the computer.
■
Keep cables away from major heat sources like the heatsink.
■
Do not jam cables on top of expansion cards or memory modules. Printed circuit cards like
these are not designed to take excessive pressure on them.
■
Keep cables clear of sliding or moveable parts to prevent their being cut or crimped when the
parts are moved.
■
When folding a flat ribbon cable, never fold to a sharp crease. Sharp creases may damage the
wires.
■
Some flat ribbon cables come prefolded. Never change the folds on these cables.
■
Do not bend any cable sharply. A sharp bend can break the internal wires.
■
Never bend a SATA data cable tighter than a 30 mm (1.18 in) radius.
■
Never crease a SATA data cable.
■
Do not rely on components like the drive cage, power supply, or computer cover to push
cables down into the chassis. Always position the cables to lay properly by themselves.
When removing the power supply power cables from the P1 or P3 connectors on the system
board, always follow these steps:
1. Squeeze on the top of the retaining latch attached to the cable end of the connector 1.
2. Grasp the cable end of the connector and pull it straight up 2.
Ä
CAUTION: Always pull the connector - NEVER pull on the cable. Pulling on the cable could damage the
cable and result in a failed power supply.
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6.6.1 Cable Connections
Cable
Cable Designator
Power Supply
System board
P1
Power Supply
System board
P5
Power Supply
1st SATA Hard drive
P7
Power Supply
2nd SATA Hard drive
P6
Power Supply
1st Optical drive
P2
Power Supply
2nd Optical drive
P3
Power Supply
Diskette drive
P4
Power Supply
5.25” Zip drive
P3
Cable
6–8
To
To
PCA Designator
Diskette drive
System board
FDD1 (Black)
1st SATA Hard drive
System board
SATA 1 (Blue)
2nd SATA Hard drive
System board
SATA 2 (White)
ODD Data
System board
IDE1 (Blue)
ODD Audio (if required)
System board
CD_IN1 (Black)
2nd ODD Audio (if required)
System board
AUX_IN1 (Yellow)
Heatsink fan
System board
CPU_FAN
Secondary system fan
System board
CHASSIS_FAN
Front LED power on button
System board
F_P1
Front I/O USB
System board
JUSB1 (Yellow)
Front I/O Audio
System board
AUD1 (Black)
Speaker
System board
SPKR
Serial port connector
System board
COM1
TCIP Security module
System board
JTPM1
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6.7 Memory Modules
Ä
CAUTION: The memory module sockets have gold metal contacts. When upgrading the memory, it is
important to use memory modules with gold metal contacts to prevent corrosion and/or oxidation
resulting from having incompatible metals in contact with each other.
Static electricity can damage the electronic components of the computer or optional cards. Before
beginning these procedures, ensure that you are discharged of static electricity by briefly touching a
grounded metal object. Refer to Chapter 5 for more information.
When handling a memory module, be careful not to touch any of the contacts. Doing so may damage
the module.
1. Prepare the computer for disassembly (Section 6.1, “Preparation for Disassembly”).
2. Remove the access panel and rotate the computer so the system board is parallel to the table
to make it easier to work on (Section 6.3, “Access Panel”). If you have locked the Smart
Cover Lock, use Computer Setup to unlock the lock.
Å
WARNING: To reduce risk of personal injury from hot surfaces, allow the internal system components to
cool before touching.
3. Open both latches of the memory module socket 1, and insert the memory module into the
socket 2. Begin by installing a module into the socket nearest the preinstalled module, and
install the modules following the numerical order of the sockets.
can install a memory module in only one way. Match the notch on the module with the tab
✎ You
on the memory socket.
4. Push the module down into the socket, ensuring that the module is fully inserted and
properly seated. Make sure the latches are in the closed position 3.
5. Repeat steps 3 and 4 for any additional modules that you want to install.
To reassemble the computer, reverse the removal procedure.
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6.8 Expansion Cards
6.8.1 Expansion Slot Cover
1. Prepare the computer for disassembly (Section 6.1, “Preparation for Disassembly”).
2. Remove the access panel and rotate the computer so the system board is parallel to the table
to make it easier to work on (Section 6.3, “Access Panel”).
3. On the rear of the computer, remove the retaining screw and slide the slot cover lock up to
access the expansion slot covers.
For instructions on PCI expansion cards see Section 6.8.2, “PCI Expansion Card.”
6–10
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6.8.2 PCI Expansion Card
For preliminary steps, see Section 6.8.1, “Expansion Slot Cover.”
1. Lay the computer on its side with the open side facing up.
If replacing a PCI expansion card go to step 2.
If installing a PCI expansion card for the first time in a computer, skip to step 5.
2. When removing an expansion card from a standard expansion socket, hold the card at each
end, and carefully rock it back and forth until the connectors pull free from the socket.
3. Pull the expansion card straight up from the socket 1 then away from the inside of the
chassis 2 to maneuver the card out of the computer.
Ä
CAUTION: Make sure not to scrape the card against the other components.
Ä
CAUTION: After removing an expansion card, you must replace it with a new card or cover the open
slot (for example, with a metal slot cover or a piece of cardboard taped in place) for proper cooling of
internal components during operation.
4. Store the old card in the anti-static packaging that contained the new card.
5. If you are installing a PCI expansion card for the first time in this computer, you will need to
remove the correct expansion slot cover at this time.
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6. When installing an expansion card, hold the card just above the expansion slot on the system
board then move the card toward the rear of the chassis so that the bracket on the card is
aligned with the open slot on the rear of the chassis 1.
7. Press the card straight down into the expansion slot on the system board 2.
✎ Press firmly on the card so that the whole connector seats properly in the expansion card slot.
8. Slide the slot cover lock down toward the expansion card brackets and slot covers to secure
them in place.
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6.9 Drives
The computer supports up to six drives that may be installed in various configurations.
This Section describes the procedure for replacing or upgrading the storage drives. A Torx T-15
screwdriver is needed to remove and install the guide screws on a drive.
Ä
CAUTION: Make sure personal files on the hard drive are backed up to an external storage device
before removing the hard drive. Failure to do so will result in data loss. After replacing the primary hard
drive, you will need to run the Restore CD to load the factory-installed files.
6.9.1 Drive Positions
Drive Positions
Item
Description
Item
Description
1
Optical drive*
4
Bay for optional 3.5" drive
2
Second optical drive
5
Primary hard drive
3
Diskette drive (optional)
6
Optional hard drive
* CD-ROM, CD-R/RW, DVD-ROM, DVD-R/RW, or CD-RW/DVD Combo drive.
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6.9.2 Removing a Drive
1. Prepare the computer for disassembly (Section 6.1, “Preparation for Disassembly”).
2. Remove the access panel and rotate the computer so the system board is parallel to the table
to make it easier to work on (Section 6.3, “Access Panel”).
3. Remove the front bezel (Section 6.4, “Front Bezel”).
4. Disconnect the audio, data, and power cables from the back of the drive, as shown in the
following illustrations:
Disconnecting Optical Drive Cables
Audio cable is 1, data cable is 2, and power cable is 3.
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Disconnecting Diskette Drive Cables
Data cable is 1 and power cable is 2.
Disconnecting Hard Drive Cables
Power cable is 1, data cable is 2.
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Releasing the Drives
5. A latch drive bracket with release tabs secures the drives in the drive bay. Lift the release tab
on the latch drive bracket 1 for the drive you want to remove, then slide the drive from its
drive bay 2.
6. Remove the four guide screws (two on each side) from the old drive. You will need these
screws to install a new drive.
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6.9.3 Installing a Drive
CAUTION: To prevent loss of work and damage to the computer or drive:
Ä■
If you are inserting or removing a hard drive, shut down the operating system properly, then turn off
the computer. Do not remove a hard drive while the computer is on or in standby mode.
■
Before handling a drive, ensure that you are discharged of static electricity. While handling a drive,
avoid touching the connector. For more information about preventing electrostatic damage, refer to
Chapter 5, “Identifying the Chassis, Routine Care, and Disassembly Preparation,” for more
information
■
■
■
Handle a drive carefully; do not drop it.
Do not use excessive force when inserting a drive.
Avoid exposing a hard drive to liquids, temperature extremes, or products that have magnetic fields
such as monitors or speakers.
1. Install four guide screws (two on each side) into the new drive. The screws help guide the
drive into its proper position in the bay.
❏
If this is a new installation, guide screws are provided on the front of the chassis under
the front bezel.
❏
If this is a replacement drive, use the screws taken from the old drive.
are a total of eight extra guide screws on the front of the chassis. Four have U.S. threads
✎ There
and four have metric threads. Metric screws have a black finish. U.S. threaded screws have a
silver finish and are only used for hard drives. Make sure to install the appropriate guide screws
into the drive.
2. Align the guide screws with the guide slots, then slide the drive into the drive bay, making
sure it is fully seated.
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3. Reconnect all cables to the drive as shown in the following illustrations.
to Chapter 4, Section 4.3, “PATA Drive Installation Guidelines,” for information on
✎ Refer
attaching the cabling to get optimum performance.
Connecting Optical Drive Cables
Audio cable is 1, data cable is 2, power cable is 3.
Connecting Diskette Drive Cables
Data cable is 1, power cable is 2.
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Connecting Hard Drive Cables
Power cable is 1, data cable is 2.
4. Install the front bezel (Section 6.4, “Front Bezel”).
5. Install the access panel (Section 6.3, “Access Panel”).
6. Turn on the computer.
you replaced the primary hard drive, you may use the restore CD to restore the operating
✎ Ifsystem,
software drivers, and/or any software applications that were preinstalled on the
computer. Follow the instructions in the guide included with the restore CD. When the restore
process has completed, reinstall any personal files that were backed up before replacing the hard
drive.
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6.10 Chassis Fan
1. Prepare the computer for disassembly (Section 6.1, “Preparation for Disassembly”).
2. Remove the access panel and rotate the computer so the system board is parallel to the table
to make it easier to work on (Section 6.3, “Access Panel”).
3. Disconnect the power cable that connects the chassis fan to the system board 1.
4. Remove the four screws from the rear of the chassis 2 that secure the fan.
5. Remove the fan from the chassis 3.
To install the chassis fan, reverse the removal procedure.
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6.11 Front I/O Panel Housing Assembly
1. Prepare the computer for disassembly (Section 6.1, “Preparation for Disassembly”).
2. Remove the access panel and rotate the computer so the system board is parallel to the table
to make it easier to work on (Section 6.3, “Access Panel”).
3. Disconnect the following three attaching cables from the system board:
❏
power switch/LED cable
❏
front USB cable
❏
front audio cable
4. Remove the two screws 1 that secure the housing to the chassis and then pull the housing 2
away from the chassis.
To install the housing assembly, reverse the removal procedures.
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6.12 Front I/O Devices
1. Prepare the computer for disassembly (Section 6.1, “Preparation for Disassembly”).
2. Remove the access panel and rotate the computer so the system board is parallel to the table
to make it easier to work on (Section 6.3, “Access Panel”).
3. Remove the front I/O panel assembly (Section 6.11, “Front I/O Panel Housing Assembly”).
4. Remove the two screws 1 that hold the USB and audio port assembly in place.
5. Remove the I/O device assembly from the I/O panel 2 by pushing it out of the housing.
To install the I/O devices, reverse the removal procedures and then reinstall the housing
assembly.
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6.13 Power Switch Assembly
1. Prepare the computer for disassembly (Section 6.1, “Preparation for Disassembly”).
2. Remove the access panel and rotate the computer so the system board is parallel to the table
to make it easier to work on (Section 6.3, “Access Panel”).
3. Remove the front I/O panel assembly (Section 6.11, “Front I/O Panel Housing Assembly”).
4. Squeeze the switch holder retaining clips together 1 and push the switch assembly out of the
front I/O panel housing.
5. From the inside of the I/O panel assembly, spread the clips 2 that secure the LEDs in place,
and then push the LEDs out of the retainers from the front side.
6. If necessary, compress the retaining clips on the LED holders and push the holders out of the
front of the I/O panel housing.
7. Remove the switch from the switch holder 3.
8. To install the power switch assembly install the switch into the switch holder.
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9. Place the switch holder with switch installed into the inside of the front I/O panel housing
and position the legs of the retaining clip into the clip slots. Press firmly so that the clips will
penetrate the slot openings and latch into place. If one clip will not easily engage, it may be
necessary to use the end of a ball point pen (or another thin, stiff object) to compress the clip
leg while inserting it into the clip slot.
10. Push the LEDs into the their retainers. The power LED (having the blue and black leads)
should be to the right when viewed from the front of the computer.
11. Reconnect the housing assembly to the front of the chassis and reconnect the cables to the
system board.
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6.14 Heatsink
1. Prepare the computer for disassembly (Section 6.1, “Preparation for Disassembly”).
2. Remove the access panel and rotate the computer so the system board is parallel to the table
to make it easier to work on (Section 6.3, “Access Panel”).
3. Disconnect the heatsink fan cable 1 from the system board.
4. Loosen the two screws 2 that secure the heatsink to the processor.
5. Twist the heatsink to break the bond between it and the processor.
6. Lift the heatsink 3 from the processor.
To install a heatsink, reverse the removal procedure.
Ä
CAUTION: Always refresh the thermal grease when reinstalling a heatsink.
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6.15 Processor
1. Prepare the computer for disassembly (Section 6.1, “Preparation for Disassembly”).
2. Remove the access panel and rotate the computer so the system board is parallel to the table
to make it easier to work on (Section 6.3, “Access Panel”).
3. Remove the heatsink (Section 6.14, “Heatsink”)
4. Rotate the ZIF socket handle to its fully open position 1.
5. Carefully lift the processor from the socket 2.
To install a new processor:
1. Insert the processor into the socket.
2. Secure the locking lever.
If reusing the existing heatsink, go to step 3.
If using a new heatsink, go to step 5.
3. If reusing the existing heatsink clean bottom of the heatsink and apply the thermal grease
found in the spares kit to the top of the processor.
4. Clean the bottom of the heatsink with the provided alcohol pad and place it atop the
processor.
Go to step 6.
5. If using a new heatsink, remove the protective covering from the bottom of the heatsink and
place it in position atop the processor.
6. Secure the heatsink to the system board and system board tray with the two captive screws
and attach the heatsink control cable to the system board.
installing a new processor onto the system board, always update the system ROM to ensure
✎ After
that the computer is using the latest version of the BIOS. You can find the latest system ROMPaq
on the Web at: http://h18000.www1.hp.com/support/files.
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6.16 System Board
1. Prepare the computer for disassembly (Section 6.1, “Preparation for Disassembly”).
2. Remove the access panel and rotate the computer so the system board is parallel to the table
to make it easier to work on (Section 6.3, “Access Panel”).
3. Remove all PCI expansion cards (Section 6.8.2, “PCI Expansion Card”).
4. Remove the memory modules (Section 6.7, “Memory Modules”).
5. Remove the heatsink (Section 6.14, “Heatsink”).
6. Remove the processor (Section 6.15, “Processor”).
7. Disconnect all cables connected to the system board, noting their location for reinstallation.
8. Remove the eight screws that secure the system board to the chassis, then slide the board
toward the front of the computer until the rear I/O connectors clear the chassis.
installing a new system board, you must attach a new processor backing
Ä plate to the When
system board. The heatsink will not attach properly if this plate is not installed.
CAUTION:
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To install a processor backing plate:
1. Lay the new system board top down on a padded surface to protect the board from damage.
2. Remove the protective paper shield 1 from the mounting surface of the backing plate.
3. Position the mounting plate studs over the back of the sytem board 2 and press the plate
firmly to the system board so the studs penetrate the mounting holes.
To complete the installation of the system board, reverse the removal procedures.
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6.17 Battery
The battery that comes with your computer provides power to the real-time clock and has a
lifetime of about three years. When replacing the battery, use a battery equivalent to the battery
originally installed on the computer. The computer comes with a 3-volt lithium coin cell battery.
can extend the lifetime of the lithium battery by plugging the computer into a live AC wall
✎ You
socket. The computer uses the lithium battery only when NOT connected to AC power.
Å
WARNING: This computer contains an internal lithium manganese dioxide battery. There is a risk of fire and
chemical burns if the battery is not handled properly. To reduce the risk of personal injury:
■
■
■
■
Ä
N
Ä
Do not attempt to recharge the battery.
Do not expose to temperatures higher than 140°F (60°C)
Do not disassemble, crush, puncture, short external contacts, or dispose of in fire or
water.
Replace the battery only with the HP/Compaq spare designated for this product.
CAUTION: Before replacing the battery, it is important to back up the computer CMOS settings. When
the battery is removed or replaced, the CMOS settings will be cleared. Refer to the Troubleshooting
Guide for information on backing up the CMOS settings.
Batteries, battery packs, and accumulators should not be disposed of together with the general
household waste. In order to forward them to recycling or proper disposal, please use the public
collection system or return them to HP/Compaq, their authorized partners, or their agents.
CAUTION: Static electricity can damage the electronic components of the computer or optional
equipment. Before beginning these procedures, ensure that you are discharged of static electricity by
briefly touching a grounded metal object.
1. Prepare the computer for disassembly (Section 6.1, “Preparation for Disassembly”).
2. Remove the access panel and rotate the computer so the system board is parallel to the table
to make it easier to work on (Section 6.3, “Access Panel”).
✎ You may need to remove an expansion card to gain access to the battery.
3. Locate the battery and battery holder on the system board.
4. Depending on the type of battery holder on your system board, complete the following
instructions to replace the battery:
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6.17.1 Type 1 Battery Holder
1. Lift the battery out of its holder.
2. Slide the replacement battery into position, positive side up. The battery holder automatically
secures the battery in the proper position.
3. Replace the computer cover or access panel (Section 6.3, “Access Panel”).
4. Plug in and turn on power to the computer.
5. Using Computer Setup, reset the date and time, passwords, and any special system setups.
For more information, refer to the Computer Setup (F10) Utility Guide.
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6.17.2 Type 2 Battery Holder
1. To release the battery from its holder, squeeze the metal clamp that extends above one edge
of the battery 1. When the battery pops up, lift it out.
2. To insert the new battery, slide one edge of the replacement battery under the holder’s lip 2
with the positive side up. Push the other edge down until the clamp snaps over the other edge
of the battery.
✎ After replacing the battery, use the following steps to complete this procedure.
3. Replace the computer cover or access panel (Section 6.3, “Access Panel”).
4. Plug in and turn on power to the computer.
5. Using Computer Setup, reset the date and time, passwords, and any special system setups.
For more information, refer to the Computer Setup (F10) Utility Guide.
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6.17.3 Type 3 Battery Holder
1. To release the battery from its holder, press back lever 1 that extends above one edge of the
battery.
2. When the battery pops up, lift it out 2.
3. To insert the new battery, push it down into the holder with the positive side to the left as
shown in the drawing above.
4. Replace the computer access panel (Section 6.3, “Access Panel”).
5. Plug in the computer and turn on power.
6. Using Computer Setup, reset the date and time, passwords, and any special system setups.
For more information, refer to the Computer Setup (F10) Utility Guide.
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6.18 Speaker
1. Prepare the computer for disassembly (Section 6.1, “Preparation for Disassembly”).
2. Remove the access panel and rotate the computer so the system board is parallel to the table
to make it easier to work on (Section 6.3, “Access Panel”).
3. Move/remove any components necessary to gain access to the speaker.
4. Disconnect the speaker wire from the system board connector.
5. Remove the two screws 1, that secure the speaker to the chassis.
6. Remove the speaker 2.
To install the speaker, reverse the removal procedures.
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6.19 Power Supply
Å
WARNING: Voltage is always present on the system board when the computer is plugged into an
active AC outlet. To avoid possible personal injury and damage to the equipment, disconnect the power
cord from the computer and/or the AC outlet before opening the computer.
1. Prepare the computer for disassembly (Section 6.1, “Preparation for Disassembly”).
2. Remove the access panel and rotate the computer so the system board is parallel to the table
to make it easier to work on (Section 6.3, “Access Panel”).
3. Disconnect all power cables from the mass storage devices and from the system board.
4. Remove the screws that connect the power supply to the chassis 1.
5. Slide the power supply toward the front of the computer, then lift it out of the computer 2.
To install the power supply, reverse the removal procedure.
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7
Removal and Replacement Procedures—
Small Form Factor (SFF) Chassis
Adherence to the procedures and precautions described in this chapter is essential for proper
service. After completing all necessary removal and replacement procedures, run the Diagnostics
utility to verify that all components operate properly.
✎ Not all features listed in this guide are available on all computers.
7.1
Preparation for Disassembly
See Chapter 5, “Identifying the Chassis, Routine Care, and Disassembly Preparation,” for initial
procedures.
1. Remove/disengage any security devices that prohibit opening the computer (Section 7.2,
“External Security Devices”).
2. Close any open software applications.
3. Exit the operating system.
4. Remove any diskette, compact disc, or MultiBay device from the computer.
5. Turn off the computer and any peripheral devices that are connected to it.
Ä
Ä
CAUTION: Turn off the computer before disconnecting any cables.
CAUTION: Regardless of the power-on state, voltage is always present on the system board as long as
the system is plugged into an active AC outlet. In some systems the cooling fan is on even when the
computer is in the “Standby” or “Suspend” modes. Always disconnect the power cord before servicing a
unit.
6. Disconnect the power cord from the electrical outlet and then from the computer.
7. Disconnect all peripheral device cables from the computer.
disassembly, label each cable as you remove it, noting its position and routing. Keep all
✎ During
screws with the units removed.
Ä
CAUTION: The screws used in the computer are of different thread sizes and lengths; using the wrong
screw in an application may damage the unit.
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7.2
External Security Devices
7.2.1 Cable Lock
The cable lock may be used to secure the computer access panel to the chassis and, at the same
time, secure the computer to a fixed object.
As shown, there are two acceptable methods for using the cable lock. While both methods work,
for added security, HP recommends that you use the method shown on the left where the cable
lock penetrates both the access panel and the chassis.
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7.2.2 Padlock
A padlock may be used by itself to secure the access panel to the computer chassis. A padlock
may also be used with a security cable to secure the computer to a fixed object.
I
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7.3
Computer Access Panel
1. Prepare the computer for disassembly (Section 7.1, “Preparation for Disassembly”).
Ä
CAUTION: Before removing the computer access panel, ensure that the computer is turned off and that
the power cord is disconnected from the electrical outlet.
2. Pull up and hold open the latch on the top of the computer 1.
3. Slide the computer access panel 2 back about 1.3 cm (0.5 inch), then lift it off the unit.
When installing the access panel, press down on its center to ensure the latches are properly
secured while sliding it into the locked position.
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7.4
Front Bezel
1. Prepare the computer for disassembly (Section 7.1, “Preparation for Disassembly”).
2. Remove the computer access panel (Section 7.3, “Computer Access Panel”).
3. Pull up on the three release tabs 1 on the top of the bezel, then pull the front bezel away
from the chassis 2.
To reinstall the front bezel, reverse the removal procedure
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7.5
Front Drive Bezels
1. Prepare the computer for disassembly (Section 7.1, “Preparation for Disassembly”).
2. Remove the computer access panel (Section 7.3, “Computer Access Panel”).
3. Remove the front bezel (Section 7.4, “Front Bezel”).
4. Press the large retaining tab 1 on the side of the bezel insert as shown then, push the bezel
insert out of the front bezel 2.
To install a bezel or a bezel blank, reverse the removal procedure.
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7.6
Memory Modules
Ä
CAUTION: The memory module sockets have gold metal contacts. When upgrading the memory, it is
important to use memory modules with gold metal contacts to prevent corrosion and/or oxidation
resulting from having incompatible metals in contact with each other.
Ä
CAUTION: Static electricity can damage the electronic components of the computer or optional cards.
Before beginning these procedures, ensure that you discharge yourself of static electricity by briefly
touching a grounded metal object. Refer to Chapter 5, “Identifying the Chassis, Routine Care, and
Disassembly Preparation,” for more information.
Ä
CAUTION: When handling a memory module, be careful not to touch any of the contacts. Doing so
may damage the module.
1. Prepare the computer for disassembly (Section 7.1, “Preparation for Disassembly”).
2. Remove the computer access panel (Section 7.3, “Computer Access Panel”).
Å
WARNING: To reduce risk of personal injury from hot surfaces, allow the internal system components to
cool before touching.
3. Remove the front bezel (Section 7.4, “Front Bezel,”).
4. Rotate the drive cage to its full upright position.
5. Open both latches of the memory module socket 1, and insert the memory module into the
socket 2. Begin by installing a module into the socket nearest the preinstalled module, and
install the modules following the numerical order of the sockets.
module can be installed in only one way. Match the notch on the module with the tab
✎ Aonmemory
the memory socket.
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6. Push the module down into the socket, ensuring that the module is fully inserted and
properly seated. Make sure the latches are in the closed position 3.
7. Repeat steps 4 and 5 for any additional modules that you want to install.
✎ The computer automatically recognizes the additional memory when the computer is turned on.
To reassemble the computer, reverse the removal procedure.
normally lock the Smart Cover Lock, use Computer Setup to relock the lock and enable
✎ IftheyouSmart
Cover Sensor.
7.7
PCI Expansion Card
1. Prepare the computer for disassembly (Section 7.1, “Preparation for Disassembly”).
2. Remove the computer access panel (Section 7.3, “Computer Access Panel”).
3. Disconnect all cables attached to the expansion cards.
4. Release the expansion card latch 1 that secures the PCI slot covers by pulling the latch up.
5. If you are installing a card for the first time continue with step 6.
If you are removing an existing card go to step 7.
6. Remove the slot cover by sliding it up and off 2.
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7. If you are removing an expansion card from a PCI expansion socket, hold the card at each
end and carefully rock it back and forth until the connectors pull free from the socket. Lift
the expansion card straight up then pull it in toward the center of the chassis to release it from
the chassis frame. Make sure not to scrape the card against other components.
8. Place the card under the rear panel bracket 1, then firmly push the expansion card into the
connector 2. Ensure that the card is firmly seated in the expansion card slot.
sure not to touch the rear panel bracket or other components in the chassis when installing an
✎ Be
expansion card.
9. Push the expansion slot latch down 3 to secure the card.
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you are not replacing the old expansion card with a new card, install an expansion slot cover to
✎ Ifclose
the open slot. Insert the metal slot covering the open slot, then push the expansion slot latch
down to secure the slot cover in place
Ä
7.8
CAUTION: After removing an expansion card, you must replace it with a new card or cover the open
slot with a metal slot cover or a piece of tape for proper cooling of internal components. Failure to do so
may cause the system to overheat.
Drives
The computer supports up to three drives. This section describes the procedure for replacing or
upgrading the storage drives. You need a Torx T-15 screwdriver to remove and install the guide
screws on a drive.
Ä
CAUTION: Make sure personal files on the hard drive are backed up to an external storage device
before removing the hard drive. Failure to do so will result in data loss. After replacing the primary hard
drive, you need to run the Restore Plus! CD to load the factory-installed files.
7.8.1 Drive Positions
Drive Positions
Item
Description
Item
Description
1
One standard 3.5-inch, one-third
height bay (1.44-MB diskette drive
shown)*
3
Internal 3.5-inch, one-third height bay
for hard drive
2
5.25-inch drive bay for optional
drives.
*If a 1.44-MB diskette drive is installed, it is configured with a diskette drive bezel as shown in
the illustration. If the computer contains an empty 3.5-inch drive bay, then a bezel blank is
installed instead. If you do not have a drive in this slot, you may later choose to install a 3.5-inch
device (such as a diskette drive, hard drive, or Zip drive). However, to install a 3.5-inch device
other than a diskette drive or hard drive, you must order the 3.5-inch device bezel to provide
proper air flow within the chassis.
To verify the type and size of the storage device installed in the computer, run Computer Setup.
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7.8.2 Cable Management
Ä
CAUTION: You must keep the drive data and power cables clear of the power supply and the power
supply fan to avoid damage or restrict air flow.
Follow these guidelines when routing the cables in the computer:
1. Route the optical drive audio cable 1 (if needed) along the back of the optical drive and then
down, alongside of the drive cage to the floor of the chassis. Route this cable behind the hard
drive data cable.
2. Route the optical drive power cable 2 down, alongside of the drive cage to the floor of the
chassis. Keep the cable clear of the power supply fan.
3. Fold the diskette drive flat-ribbon data cable 3 near the connector on the drive. Route the
cable up high on the drive cage (near the cable connectors), then folding again to lay beneath
the optical drive data cable.
4. The cable clip 4 is stamped from the back of the drive cage and secures the diskette drive
power cable.
Always follow good cable management practices when working inside the computer.
■
Keep cables away from major heat sources like the heatsink.
■
Do not jam cables on top of expansion cards or memory modules. Printed circuit cards like
these are not designed to take excessive pressure.
■
Keep cables clear of sliding or moveable parts to prevent their being cut or crimped when the
parts are moved.
■
When folding a flat ribbon cable, never fold to a sharp crease. Sharp creases may damage the
wires.
■
Some flat ribbon cables come prefolded. Never change the folds on these cables.
■
Do not bend any cable sharply. A sharp bend can break the internal wires.
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Removal and Replacement Procedures— Small Form Factor (SFF) Chassis
■
Never bend a SATA data cable tighter than a 30 mm (1.18 in) radius.
■
Never crease a SATA data cable.
■
Do not rely on components like the drive cage, power supply, or computer cover to push
cables down into the chassis. Always position the cables to lay properly by themselves.
When removing the power supply power cables from the P1 or P3 connectors on the system
board, always follow these steps:
1. Squeeze on the top of the retaining latch attached to the cable end of the connector 1.
2. Grasp the cable end of the connector and pull it straight up 2.
Ä
7–12
CAUTION: Always pull the connector - NEVER pull on the cable. Pulling on the cable could damage the
cable and result in a failed power supply.
361685-001
Service Reference Guide, dx5150
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis
7.8.3 Cable Connections
Cable
To
Cable Designator
Power Supply
System board (ATX1)
P1
Power Supply
System board (JPW1)
P2
Power Supply
1st SATA Hard drive
P5
Power Supply
2nd SATA Hard drive
P3
Power Supply
Optical drive
P6
Power Supply
Diskette drive
P4
Power Supply
5.25” Zip drive
P6
Cable
To
PCA Designator
Diskette drive
System board
FDD1 (Black)
ODD Data
System board
IDE1 (Blue)
ODD Audio (if required)
System board
CD_IN1 (Black)
Heatsink fan
System board
CPU_FAN
Secondary system fan
System board
CHASSIS_FAN
Front LED power on button
System board
F_P1
Front I/O USB
System board
JUSB1 (Yellow)
Front I/O Audio
System board
AUD1 (Black)
Speaker
System board
SPKR
Serial port connector
System board
COM1
1st SATA Hard drive
System board
SATA 1 (Blue)
2nd SATA Hard drive
System board
SATA 2 (White)
TCIP Security module
System board
JTPM1
Service Reference Guide, dx5150
361685-001
7–13
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis
7.8.4 Optical Drive
Ä
CAUTION: Remove all media from the drives before removing the drive from the computer.
✎ An optical drive is a CD-ROM, CD-RW, DVD-ROM, or combination CD/DVD drive.
1. Prepare the computer for disassembly (Section 7.1, “Preparation for Disassembly”).
2. Remove the computer access panel (Section 7.3, “Computer Access Panel”).
3. Remove the front bezel (Section 7.4, “Front Bezel”).
4. Raise the Easy Access drive cage to the upright position.
5. Disconnect the audio, signal, and drive power cables from the drive. The other end of the
cables should remain connected to the system board.
6. Make sure you properly route the drive cables (Section 7.8.2, “Cable Management”).
7. Return the Easy Access drive cage to the down position.
8. Push the drive release latch 1 toward the rear of the chassis and hold.
9. Slide the drive 2 toward the front of the drive cage, then lift the drive out of the computer.
7–14
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Removal and Replacement Procedures— Small Form Factor (SFF) Chassis
To replace the drive:
1. Install two guide screws in the lower holes on each side of the drive.
Ä
CAUTION: Use only 5-mm long screws as guide screws. Longer screws can damage the internal
components of the drive.
replacing the drive, transfer the four screws from the old drive to the new one. The screws
✎ When
take the place of drive rails.
2. Position the guide screws on the drive into the J-slots in the drive bay 1. Then, slide the drive
towards the rear of the computer 2.
✎ The drive release latch automatically locks in place when installing a drive.
Service Reference Guide, dx5150
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7–15
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis
3. Raise the Easy Access drive cage to the upright position and connect the flat ribbon cable
and audio cable to the system board.
4. Connect the following cables to the rear of the optical drive:
❏
Audio cable 1
❏
Flat ribbon data cable 2
❏
Power cable 3
✎ Windows XP does not require the use of an audio cable to transfer the sound to the system board.
5. Make sure you route the drive cables properly (Section 7.8.2, “Cable Management”).
6. Return the Easy Access drive cage to the down position. Make sure not to pinch the cables in
the chassis when lowering the Easy Access drive cage.
7. Replace the front bezel and computer access panel.
The system automatically recognizes the drive and reconfigures the computer.
Ä
7–16
CAUTION: When servicing the computer, make sure you place cables in their proper locations during
the reassembly process. Improper cable placement can damage the computer.
361685-001
Service Reference Guide, dx5150
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis
7.8.5 External 3.5-inch Drive
1. Prepare the computer for disassembly (Section 7.1, “Preparation for Disassembly”).
2. Remove the computer access panel (Section 7.3, “Computer Access Panel”).
3. Remove the front bezel (Section 7.4, “Front Bezel”).
4. Raise the Easy Access drive cage to the upright position.
5. Disconnect the signal, and drive power cables from the drive. The other end of the cables
should remain connected to the system board.
6. Return the Easy Access drive cage to the down position.
7. Push the drive release latch 1 toward the rear of the chassis and hold.
8. Slide the drive 2 toward the front of the drive cage, then lift the drive out of the computer.
replacing the drive, transfer the four screws from the old drive to the new one. The screws
✎ When
take the place of drive rails.
guide screws on a 3.5-inch diskette drive 1 are placed closer together than on the hard
✎ The
drive 2.
9. Insert the rear screws of the hard drive into the rear J-slots. Slide the drive toward the back of
the drive cage until the front screws are aligned with the front J-slots. Then lower the front of
the drive. Continue to slide the drive all the way back until it locks into place.
replacing a diskette drive, all guide screws (front and rear) will line up on the J-slots. Insert the
✎ Ifguide
screws into the J-slots, then slide the drive toward the back of the drive cage until it locks
into place.
Service Reference Guide, dx5150
361685-001
7–17
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis
10. Connect the power and data cables.
11. Make sure the drive cables are routed properly (Section 7.8.2, “Cable Management”).
12. Rotate the drive cage to its original position.
13. Replace the front bezel and computer access panel.
7–18
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Removal and Replacement Procedures— Small Form Factor (SFF) Chassis
7.8.6 Primary Hard Drive
1. Prepare the computer for disassembly (Section 7.1, “Preparation for Disassembly”).
2. Remove the computer access panel (Section 7.3, “Computer Access Panel”).
3. Remove the front bezel (Section 7.4, “Front Bezel”).
4. Raise the Easy Access drive cage to the upright position.
5. Disconnect the power cable 1 and signal cable 2 from the back of the drive.
Service Reference Guide, dx5150
361685-001
7–19
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis
6. Press and hold the drive release latch 1.
7. Slide the drive to the right of the bay 2, then pull the drive from the bay 3.
To replace the hard drive, reverse the above procedure.
replacing the hard drive, transfer the four screws from the old drive to the new one. The
✎ When
screws take the place of drive rails. You will need a Torx T-15 screwdriver to remove and
re-install the guide screws.
Make sure you route the drive cables properly (Section 7.8.2, “Cable Management”) before
rotating the drive cage to its original position.
7–20
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Removal and Replacement Procedures— Small Form Factor (SFF) Chassis
7.9
Front I/O Devices
1. Prepare the computer for disassembly (Section 7.1, “Preparation for Disassembly”).
2. Remove the front bezel (Section 7.4, “Front Bezel,”).
3. Rotate the drive cage to its full open position.
4. Disconnect the two I/O device cables from the system board:
❏
front USB cable pair
❏
front audio cable
5. Remove the power supply from the chassis (Section 7.17, “Power Supply”).
6. From the inside of the chassis, remove the two screws that secure the I/O device to the
chassis 1, then pull the device into the chassis 2 to free it from its mount.
✎ You may need a stubby Torx T15 screwdriver to remove the retaining screws.
To install the housing assembly, reverse the removal procedures.
Service Reference Guide, dx5150
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7–21
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis
7.10 Power Switch Assembly
1. Prepare the computer for disassembly (Section 7.1, “Preparation for Disassembly”).
2. Remove the front bezel (Section 7.4, “Front Bezel,”).
3. Rotate the drive cage to its full open position.
4. Disconnect the power switch/LED cable from the system board.
5. Squeeze the switch holder retaining clips together at the front of the chassis 1 and push the
switch assembly out of the chassis 2.
To install the power switch assembly, reverse the removal procedure.
7–22
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Removal and Replacement Procedures— Small Form Factor (SFF) Chassis
7.11 Speaker
1. Prepare the computer for disassembly (Section 7.1, “Preparation for Disassembly”).
2. Remove the computer access panel (Section 7.3, “Computer Access Panel”).
3. Remove the front bezel (Section 7.4, “Front Bezel,”).
4. Rotate the drive cage to its upright position.
5. Disconnect the speaker wire from the system board.
6. Remove the two screws that secure the speaker to the chassis 1.
✎ You may need a stubby Torx T15 screwdriver to access the screws.
7. Remove the speaker 2.
To install the speaker, reverse the removal procedures.
Service Reference Guide, dx5150
361685-001
7–23
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis
7.12 Chassis Fan
1. Prepare the computer for disassembly (Section 7.1, “Preparation for Disassembly”).
2. Remove the computer access panel (Section 7.3, “Computer Access Panel”).
3. Remove the front bezel (Section 7.4, “Front Bezel,”).
4. Rotate the drive cage to its full open position.
5. Disconnect the fan cable from the system board.
6. Remove the four screws that secure the fan grill and the fan to the chassis 2, then pull the fan
out of the chassis 3.
✎ You may need a stubby Torx T15 screwdriver to remove the retaining screws.
.
To install the chassis fan, reverse the removal procedure.
7–24
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Removal and Replacement Procedures— Small Form Factor (SFF) Chassis
7.13 Battery
The battery that comes with this computer provides power to the real-time clock and has a
lifetime of about three years. When replacing the battery, use a battery equivalent to the battery
originally installed on the computer. The computer comes with a 3-volt lithium coin cell battery.
lifetime of the lithium battery can be extended by plugging the computer into a live AC wall
✎ The
socket. The lithium battery is only used when the computer is NOT connected to AC power.
Å
WARNING: This computer contains an internal lithium manganese dioxide battery. There is a risk of fire and
chemical burns if the battery is not handled properly. To reduce the risk of personal injury:
■
■
■
■
Ä
N
Ä
Do not attempt to recharge the battery.
Do not expose to temperatures higher than 140°F (60°C)
Do not disassemble, crush, puncture, short external contacts, or dispose of in fire or
water.
Replace the battery only with the HP/Compaq spare designated for this product.
CAUTION: Before replacing the battery, it is important to back up the computer CMOS settings. When
the battery is removed or replaced, the CMOS settings will be cleared. Refer to the Troubleshooting
Guide for information on backing up the CMOS settings.
Batteries, battery packs, and accumulators should not be disposed of together with the general
household waste. In order to forward them to recycling or proper disposal, please use the public
collection system or return them to HP/Compaq, their authorized partners, or their agents.
CAUTION: Static electricity can damage the electronic components of the computer or optional
equipment. Before beginning these procedures, ensure that you are discharged of static electricity by
briefly touching a grounded metal object.
1. Prepare the computer for disassembly (Section 7.1, “Preparation for Disassembly”).
2. Remove the computer access panel (Section 7.3, “Computer Access Panel”).
✎ You may have to remove an expansion card to gain access to the battery.
3. Locate the battery and battery holder on the system board.
4. Carefully pull the cable bundle out of the way to access the battery.
5. Depending on the type of battery holder on your system board, complete the following
instructions to replace the battery:
Service Reference Guide, dx5150
361685-001
7–25
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis
7.13.1 Type 1 Battery Holder
1. Lift the battery out of its holder.
2. Slide the replacement battery into position, positive side up.
3. The battery holder automatically secures the battery in the proper position.
4. Replace the computer cover or access panel.
5. Plug in and turn on power to the computer.
6. Using Computer Setup, reset the date and time, passwords, and any special system setups.
For more information, refer to the Computer Setup (F10) Utility Guide.
7–26
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Removal and Replacement Procedures— Small Form Factor (SFF) Chassis
7.13.2 Type 2 Battery Holder
1. To release the battery from its holder, squeeze the metal clamp that extends above one edge
of the battery 1. When the battery pops up, lift it out.
2. To insert the new battery, slide one edge of the replacement battery under the holder’s lip 2
with the positive side up. Push the other edge down until the clamp snaps over the other edge
of the battery.
✎ After replacing the battery, use the following steps to complete this procedure.
3. Replace the computer cover or access panel.
4. Plug in and turn on power to the computer.
5. Using Computer Setup, reset the date and time, passwords, and any special system setups.
For more information, refer to the Computer Setup (F10) Utility Guide.
Service Reference Guide, dx5150
361685-001
7–27
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis
7.14 Heatsink Assembly
1. Prepare the computer for disassembly (Section 7.1, “Preparation for Disassembly”).
2. Remove the computer access panel (Section 7.3, “Computer Access Panel”).
3. Remove the front bezel (Section 7.4, “Front Bezel,”).
4. Rotate the drive cage to its full open position.
5. Disconnect the heatsink fan control cable from the system board.
6. Loosen the two captive screws 1 that secure the heatsink to the system board.
will need a straight shanked, flat blade, or Torx T15 screwdriver to loosen the heatsink
✎ You
retaining screws.
7. Twist the heatsink slightly to break the bond between it and the processor then, lift the
heatsink from the processor 2
8. Set the heatsink on its side to keep the thermal grease from getting on the work surface.
reinstalling this heatsink, make sure that you clean its mounting surface and the mounting
✎ Ifsurface
of the processor with an alcohol pad then, apply a fresh coating of thermal grease to the
top of the processor.
Ä
7–28
CAUTION: Failure to apply a fresh coating of thermal grease could cause the computer to overheat.
361685-001
Service Reference Guide, dx5150
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis
7.15 Processor
1. Prepare the computer for disassembly (Section 7.1, “Preparation for Disassembly”).
2. Remove the computer access panel (Section 7.3, “Computer Access Panel”).
3. Remove the front bezel (Section 7.4, “Front Bezel,”).
4. Remove the heatsink (Section 7.14, “Heatsink Assembly”)
5. Rotate the socket handle to its fully open position 1.
6. Carefully lift the processor from the socket 3.
To install a new processor:
1. Insert the processor into the socket.
2. Secure the locking lever.
If reusing the existing heatsink, go to step 3.
If using a new heatsink, go to step 5.
3. If reusing the existing heatsink clean bottom of the heatsink and apply the thermal grease
provided in the spares kit to the top of the processor.
4. Clean the bottom of the heatsink with the provided alcohol pad and place it atop the
processor.
Go to step 6.
5. If using a new heatsink, remove the protective covering from the bottom of the heatsink and
place it in position atop the processor.
6. Secure the heatsink to the system board and system board tray with the two captive screws
and attach the heatsink control cable to the system board.
installing a new processor onto the system board, always update the system ROM to ensure
✎ After
that the computer is using the latest version of the BIOS. You can find the latest system ROMPaq
on the Web at: http://h18000.www1.hp.com/support/files.
Service Reference Guide, dx5150
361685-001
7–29
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis
7.16 System Board
1. Prepare the computer for disassembly (Section 7.1, “Preparation for Disassembly”).
2. Remove the access panel and rotate the computer so the system board is parallel to the table
to make it easier to work on (Section 7.3, “Computer Access Panel”).
3. Remove the front bezel (Section 7.4, “Front Bezel,”).
4. Rotate the drive cage to its full open position.
5. Remove all expansion cards (Section 7.7, “PCI Expansion Card”).
6. Remove the memory modules (Section 7.6, “Memory Modules”).
7. Remove the heatsink (Section 7.14, “Heatsink Assembly”).
8. Remove the processor (Section 7.15, “Processor”).
9. Disconnect all cables connected to the system board, noting their location for reinstallation.
10. Remove the eight screws that secure the system board to the chassis.
11. Slide the board towards the front of the computer for the rear I/O connectors to clear the
chassis then, remove the system board from the chassis.
When installing a new system board, a new processor backing plate must be
Ä CAUTION:
attached to the system board. The heatsink will not attach properly if this plate is not
installed.
7–30
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Removal and Replacement Procedures— Small Form Factor (SFF) Chassis
To install a processor backing plate:
1. Lay the new system board top down on a padded surface to protect the board from damage.
2. Remove the protective paper shield 1 from the mounting surface of the backing plate.
3. Position the mounting plate studs over the back of the system board 2 and press the plate
firmly to the system board so the studs penetrate the mounting holes.
Complete the installation of the system board by reversing the removal procedures.
Service Reference Guide, dx5150
361685-001
7–31
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis
7.17 Power Supply
Å
WARNING: Voltage is always present on the system board when the computer is plugged into an
active AC outlet. To avoid possible personal injury and damage to the equipment, disconnect the power
cord from the computer and/or the AC outlet before opening the computer.
1. Prepare the computer for disassembly (Section 7.1, “Preparation for Disassembly”).
2. Remove the computer access panel (Section 7.3, “Computer Access Panel”).
3. Remove the front bezel (Section 7.4, “Front Bezel,”).
4. Rotate the drive cage to its upright position.
5. Disconnect all power cables from the mass storage devices and from the system board.
6. Remove the TPM from the system board to prevent damaging it.
7. Remove the three screws that secure the power supply to the chassis 1.
8. Slide the power supply forward about 3/8-inch, lift it to clear the guides on the floor of the
chassis 2 then, pivot the top of the power supply 3 to clear the top chassis lip.
When installing the power supply, reverse the removal procedure, making sure that the clips on
the bottom of the rear panel fit in the slots provided.
7–32
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A
Connector Pin Assignments
This appendix contains the pin assignments for many computer and workstation connectors.
Some of these connectors may not be used on the product being serviced.
Keyboard
Connector and Icon
Pin
Signal
1
2
3
Data
Unused
Ground
4
5
6
+5 VDC
Clock
Unused
Pin
Signal
1
2
3
Data
Unused
Ground
4
5
6
+5 VDC
Clock
Unused
Mouse
Connector and Icon
Ethernet BNC
Connector and Icon
Service Reference Guide, dx5150
Pin
Signal
1 (Center)
Data
2 (Shield)
Ground
361685-001
A–1
Connector Pin Assignments
Ethernet RJ-45
Connector and Icon
Pin
Signal
1
2
3
4
(+) Transmit Data
(-) Transmit Data
(+) Receive Data
Unused
5
6
7
8
Unused
(-) Receive Data
Unused
Unused
Ethernet AUI
Connector and Icon
Pin
Signal
Pin
Signal
1
2
3
4
Ground
Negative AUI Differential Collision
Positive AUI Differential Collision
Negative AUI Differential Transmit
9
10
11
12
Positive AUI Differential Receive
+12V
Ground
Ground
5
6
7
8
Positive AUI Differential Transmit
Ground
Ground
Negative AUI Differential Receive
13
14
15
16
Unused
Unused
Unused
Unused
Parallel Interface
Connector and Icon
Pin
Signal
Pin
Signal
Pin
Signal
1
2
3
Strobe
Data Bit 0
Data Bit 1
7
8
9
Data Bit 5
Data Bit 6
Data Bit 7
13
14
15
Select
Auto Linefeed
Error
4
5
6
Data Bit 2
Data Bit 3
Data Bit 4
10
11
12
Acknowledge
Busy
Paper End
16
17
18-25
Initialize Printer
Select IN
Signal Ground
A–2
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Service Reference Guide, dx5150
Connector Pin Assignments
Serial Interface, Powered and Non-Powered
Connector and Icon
Pin
Signal
1
2
3
Carrier Detect (12V if powered)
Receive Data
Transmit Data
4
5
6
Data Terminal Ready
Signal Ground
Data Set Ready
7
8
9
Request to Send
Clear to Send
Ring Indicator (5V if powered)
Pin
Signal
1
2
3
4
+5 VDC
- Data
+ Data
Ground
Pin
Signal
1 (Tip)
Audio
2 (Ring)
Power
3 (Shield)
Ground
Pin
Signal
1 (Tip)
Audio_Left
2 (Ring)
Audio_Right
3 (Shield)
Ground
Pin
Signal
1 (Tip)
Audio_In_Left
2 (Ring)
Audio_In_Right
3 (Shield)
Ground
USB
Connector and Icon
Microphone
Connector and Icon (1/8” miniphone)
1 2 3
Headphone
Connector and Icon (1/8” miniphone)
1 2 3
Line-In Audio
Connector and Icon (1/8” miniphone)
1 2 3
Service Reference Guide, dx5150
361685-001
A–3
Connector Pin Assignments
Line-Out Audio
Connector and Icon (1/8” miniphone)
1 2 3
Pin
Signal
1 (Tip)
Audio_Out_Left
2 (Ring)
Audio_Out_Right
3 (Shield)
Ground
SCSI Low Voltage Differential/Single Ended (LVD/SE)
Connector and Icon
Pin
Signal
Pin
Signal
Pin
Signal
Pin
Signal
1-16
17-18
19
Ground
TERMPWR
Reserved
40
41
42
-D0
-D1
-D1
49-50
51-52
53
Ground
TERMPW
Reserved
60
61
62
-MSG
-SEL
-C/D
20-34
35
36
Ground
-D12
-D13
43
44
45
-D3
-D4
-D5
54
55
56
Ground
-ATN
Ground
63
64
65
-REQ
-I/O
-D
37
38
39
-D14
-D15
-DP1
46
47
48
-D6
-D7
-DP0
57
58
59
-BSY
-ACK
-RST
66
67
68
-D
-D
-D
Ultra SCSI
Connector and Icon
Pin
Signal
Pin
Signal
Pin
Signal
Pin
Signal
1-11
12
13
14
Ground
Reserved
Open
Reserved
29
30
31
32
DB3
DB4
DB5
DB6
37
38
39
40
Reserved
TERMPWR
Reserved
Ground
45
46
47
48
RST #
MSG #
SEL #
C/D
15-25
26
27
28
Ground
DB0
DB1
DB2
33
34
35
36
DB7
DBP
Ground
Ground
41
42
43
44
ATN #
Ground
BSY #
ACK #
49
50
REQ #
Input/Output
A–4
361685-001
Service Reference Guide, dx5150
Connector Pin Assignments
External Infrared Transceiver
Connector and Icon
Pin
Signal
Pin
Signal
Pin
Signal
1
2
3
Transmit
Receive
Ground
4
5
6
5V
Mode
Not Used
7
8
Not Used
Not Used
Monitor
Connector and Icon
Pin
Signal
Pin
Signal
Pin
Signal
1
2
3
Red Analog
Green Analog
Blue Analog
6
7
8
Ground
Ground
Ground
11
12
13
Not used
DDC Serial Data
Horizontal Sync
4
5
Not used
Ground
9
10
+5V (fused)
Ground
14
15
Vertical Sync
DDC Serial Clock
DVI-D
Connector and Icon
Pin
Signal
Pin
Signal
Pin
Signal
1
2
3
4
TMDS
TMDS
TMDS
TMDS
9
10
11
12
TMDS
TMDS
TMDS
TMDS
17
18
19
20
TMDS
TMDS
TMDS
TMDS
5
6
7
8
TMDS Data4+
DDC Clock
DDC Data
No Connect
13
14
15
16
TMDS Data3+
+5V Power
Grd for +5V
Hot Plug Detect
21
22
23
24
TMDS Data5+
TMDS Data Clock
Shield
TMDS Clock+
TMDS Clock-
Data2Data2+
Data2/4 Shield
Data4-
Service Reference Guide, dx5150
Data1Data1+
Data1/3Shield
Data3-
361685-001
Data0Data0+
Data0/5 Shield
Data5-
A–5
Connector Pin Assignments
ATA/ATAPI (IDE) Standard Drive Cable
Connector
Pin
Signal
Pin
Signal
Pin
Signal
1
2
3
4
5
Reset
Ground
DD7
DD8
DD6
15
16
17
18
19
DD1
DD14
DD0
DD15
Ground
29
30
31
32
33
DMAK
Ground
INTRQ
IOCS16
DA1
6
7
8
9
10
DD9
DD5
DD10
DD4
DD11
20
21
22
23
24
(Key)
DMARQ
Ground
DIOW
Ground
34
35
36
37
38
PDIAG (cable detect)
DA0
DA2
CS1FX
CS3FX
11
12
13
14
DD3
DD12
DD2
DD13
25
26
27
28
DIOR
Ground
IORDY
CSEL
39
40
DASP
Ground
24-Pin Power
Connector
24
13
12
1
Pin
Signal
Pin
Signal
Pin
Signal
Pin
Signal
1
2
3
4
5
6
+3.3 V
+3.3 V
GND
+5 V
GND
+5 V
7
8
9
10
11
12
GND
POK
+5 Vaux
+12 V
+12 V
+3.34 V
13
14
15
16
17
18
+3.34 V
-12 V
GND
PSON
GND
GND
19
20
21
22
23
24
GND
open
+5 V
+5 V
+5 V
GND
A–6
361685-001
Service Reference Guide, dx5150
Connector Pin Assignments
24-Pin MicroFit Power
Connector
24
13
12
1
Pin
Signal
Pin
Signal
Pin
Signal
Pin
Signal
1
2
3
4
5
6
+5 Vaux
GND
7
8
9
10
11
12
PWRGD
13
14
15
16
17
18
+12 V
+5 V Sense
GND
+5 V
+5 V
+3.3 V
19
20
21
22
23
24
GND
+3.3 Sense
+3.3 V
+3.3 V
GND
-12 V
+5 V
+5 V
PS_ON
GND
+3.3 V
+3.3 V
Tach
GND
Fan-CMD
4-Pin Power (for CPU)
Connector and Icon
Pin
Signal
1
GND
2
GND
3
+12 V CPU
4
-12 V CPU
SATA Data and Power
Drive Connector
Pin
Signal
Pin
Signal
Pin
Signal
Pin
Signal
S1
Ground
S2
A+
S3
A-
S4
Ground
S5
B-
S6
B+
S7
Ground
P1
V 3.3
P2
V 3.3
P3
V 3.3
P4
Ground
P5
Ground
P6
Ground
P7
V5
P8
V5
P9
V5
P10
Ground
P11
Reserved
P12
Ground
P13
V 12
P14
V 12
P15
V 12
*S = Data, P = Power
Service Reference Guide, dx5150
361685-001
A–7
Connector Pin Assignments
PCI Express
x1, x4, x8, and x16 PCI Express Connector
Pin A
Pin
Signal
Pin
Signal
Pin
Signal
Pin
Signal
Pin
Signal
1
2
3
4
5
PRSNT1#
+12V
+12V
GND
JTAG2
6
7
8
9
10
JTAG3
JTAG4
JTAG5
+3.3v
+3.3v
11
12
13
14
15
PERST#
GND
REFCLK+
REFCLKGND
16
17
18
19
20
PERp0
PERn0
GND
RSVD
GND
21
22
23
24
25
PERp1
PERn1
GND
GND
PERp2
26
27
28
29
30
PERn(2)
GND
GND
PERp3
PERn3
31
32
33
34
35
GND
RSVD
RSVD
GND
PERp4
36
37
38
39
40
PERn4
GND
GND
PERp5
PERn5
41
42
43
44
45
GND
GND
PERp6
PERn6
GND
46
47
48
49
50
GND
PERp7
PERn7
GND
RSVD
51
52
53
54
55
GND
PERp8
PERn8
GND
GND
56
57
58
59
60
PERp9
PERn9
GND
GND
PERp10
61
PERn10
GND
GND
PERp11
PERn11
66
67
68
69
70
GND
GND
PERp12
PERn12
GND
71
72
73
74
75
GND
PERp13
PERn13
GND
GND
76
77
78
79
80
PERp14
PERn14
GND
GND
PERp15
81
82
PERn15
GND
62
63
64
65
Pin B information is on the next page
Notes:
x1 PCI Express uses pins 1-18
x4 PCI Express uses pins 1-32
x8 PCI Express uses pins 1-49
x16 PCI Express uses pins 1-82
A–8
361685-001
Service Reference Guide, dx5150
Connector Pin Assignments
PCI Express
x1, x4, x8, and x16 PCI Express Connector
Pin B
Pin
Signal
Pin
Signal
Pin
Signal
Pin
Signal
Pin
Signal
1
2
3
4
5
+12V
+12V
RSVD
GND
SMCLK
6
7
8
9
10
SMDAT
GND
+3.3v
JTAG1
3.3vAux
11
12
13
14
15
WAKE#
RSVD
GND
PETp0
PETn0
16
17
18
19
20
GND
PRSNT2#
GND
PETp1
PETn1
21
22
23
24
25
GND
GND
PETp2
PETn2
GND
26
27
28
29
30
GND
PETp3
PETn3
GND
RSVD
31
32
33
34
35
PRSNT2#
GND
PETp4
PETn4
GND
36
37
38
39
40
GND
PETp5
PETn5
GND
GND
41
42
43
44
45
PETp6
PRTn6
GND
GND
PETp7
46
47
48
49
50
PETn7
GND
PRSNT2#
GND
PETp8
51
52
53
54
55
PETn8
GND
GND
PETp9
PETn9
56
57
58
59
60
GND
GND
PETp10
PETn10
GND
61
62
63
64
65
GND
PETp11
PETn11
GND
GND
66
67
68
69
70
PETp12
PETn12
GND
GND
PETp13
71
72
73
74
75
PETn13
GND
GND
PETp14
PETn14
76
77
78
79
80
GND
GND
PETp15
PETn15
GND
81
82
PRSNT2#
RSVD
Notes:
x1 PCI Express uses pins 1-18
x4 PCI Express uses pins 1-32
x8 PCI Express uses pins 1-49
x16 PCI Express uses pins 1-82
Service Reference Guide, dx5150
361685-001
A–9
Connector Pin Assignments
A–10
361685-001
Service Reference Guide, dx5150
B
Power Cord Set Requirements
The power supplies on some computers have external power switches. The voltage select switch
feature on the computer permits it to operate from any line voltage between 100-120 or 220-240
volts AC. Power supplies on those computers that do not have external power switches are
equipped with internal switches that sense the incoming voltage and automatically switch to the
proper voltage.
The power cord set received with the computer meets the requirements for use in the country
where you purchased the equipment.
Power cord sets for use in other countries must meet the requirements of the country where you
use the computer.
General Requirements
The requirements listed below are applicable to all countries:
1. The power cord must be approved by an acceptable accredited agency responsible for
evaluation in the country where the power cord set will be installed.
2. The power cord set must have a minimum current capacity of 10A (7A Japan only) and a
nominal voltage rating of 125 or 250 volts AC, as required by each country’s power system.
3. The diameter of the wire must be a minimum of 0.75 mm2 or 18AWG, and the length of the
cord must be between 1.8 m (6 feet) and 3.6 m (12 feet).
The power cord should be routed so that it is not likely to be walked on or pinched by items
placed upon it or against it. Particular attention should be paid to the plug, electrical outlet, and
the point where the cord exits from the product.
Å
WARNING: Do not operate this product with a damaged power cord set. If the power cord set is
damaged in any manner, replace it immediately.
Japanese Power Cord Requirements
For use in Japan, use only the power cord received with this product.
Ä
CAUTION: Do not use the power cord received with this product on any other products.
Service Reference Guide, dx7600
361685-001
B–1
Country-Specific Requirements
Additional requirements specific to a country are shown in parentheses and explained below.
Country
Accrediting
Agency
Country
Accrediting
Agency
Australia (1)
Austria (1)
Belgium (1)
Canada (2)
EANSW
OVE
CEBC
CSA
Italy (1)
Japan (3)
Norway (1)
Sweden (1)
IMQ
METI
NEMKO
SEMKO
Denmark (1)
Finland (1)
France (1)
Germany (1)
DEMKO
SETI
UTE
VDE
Switzerland (1)
United Kingdom (1)
United States (2)
SEV
BSI
UL
1. The flexible cord must be <HAR> Type HO5VV-F, 3-conductor, 0.75mm2 conductor size.
Power cord set fittings (appliance coupler and wall plug) must bear the certification mark of
the agency responsible for evaluation in the country where it will be used.
2. The flexible cord must be Type SVT or equivalent, No. 18 AWG, 3-conductor. The wall plug
must be a two-pole grounding type with a NEMA 5-15P (15A, 125V) or NEMA 6-15P
(15A 250V) configuration.
3. Appliance coupler, flexible cord, and wall plug must bear a "T" mark and registration
number in accordance with the Japanese Dentori Law. Flexible cord must be Type VCT or
VCTF, 3-conductor, 0.75 mm2 conductor size. Wall plug must be a two-pole grounding type
with a Japanese Industrial Standard C8303 (7A, 125V) configuration.
B–2
361685-001
Service Reference Guide, dx5150
C
POST Error Messages
This appendix lists the error codes, error messages, and the various indicator light and audible
sequences that you may encounter during Power-On Self-Test (POST) or computer restart, the
probable source of the problem, and steps you can take to resolve the error condition.
POST Message Disabled suppresses most system messages during POST, such as memory count
and non-error text messages. If a POST error occurs, the screen will display the error message.
To manually switch to the POST Messages Enabled mode during POST, press the Tab key. The
default mode is POST Message Disabled.
The speed at which the computer loads the operating system and the extent to which it is tested
are determined by the POST mode selection.
Quick Power-On Self Test is a fast startup process that does not run all of the system level tests,
such as the memory test. Disabling this feature causes all of the ROM-based system tests to run
and booting takes longer to complete.
Service Reference Guide, dx5150
361685-001
C–1
POST Error Messages
POST Numeric Codes and Text Messages
This section covers those POST errors that have numeric codes associated with them. The section
also includes some text messages that may be encountered during POST.
✎ The computer will beep once after a POST text message is displayed on the screen.
Numeric Codes and Text Messages
Code/Message
Probable Cause
Recommended Action
BIOS ROM checksum
error–System halted
The checksum of the BIOS
code in the BIOS chip is
incorrect, indicating that the
BIOS code may have become
corrupt.
Verify the correct ROM.
Flash the ROM is needed.
If an expansion card was recently added,
remove it and see if the problem remains.
Clear CMOS.
If the message disappears, there may be a
problem with the expansion card.
Replace the system board.
CMOS battery failed
The CMOS battery is no
longer functional.
Replace the RTC battery.
CMOS checksum
error—Defaults
loaded
Checksum of CMOS is
incorrect, so the system loads
the default equipment
configuration. A checksum
error may indicate that CMOS
has become corrupt. A weak
battery may have caused this
error.
Check the battery and replace, if necessary.
CPU at nnnn
Displays the running speed of
the CPU.
None.
The user may press ESC to skip the full memory
test.
Press ESC to skip
memory test
HARD DISK INSTALL
FAILURE
Cannot find or initialize the
hard drive controller or the
drive.
Make sure the controller is installed correctly in
the BIOS. If no hard drives are installed, be
sure the Hard Drive selection in Setup is set to
NONE.
Keyboard error or no
keyboard present
Cannot initialize the
keyboard.
Make sure the keyboard is attached correctly
and no keys are pressed during POST. To
purposely configure the system without a
keyboard, set the error halt condition in Setup
to HALT ON ALL, BUT KEYBOARD. The BIOS
then ignores the missing keyboard during
POST.
Memory Test:
This message displays during
a full memory test, counting
down the memory areas being
tested.
None.
C–2
361685-001
Service Reference Guide, dx5150
POST Error Messages
Numeric Codes and Text Messages (Continued)
Code/Message
Probable Cause
Recommended Action
Memory test fail
If POST detects an error
during memory testing,
additional information
appears giving specifics about
the type and location of the
memory error.
Shut down the system, reseat the DIMMs, and
reboot the system. If the problem persists,
replace the DIMMs.
Override enabled–
Defaults loaded
If the system cannot boot using
the current CMOS
configuration, the BIOS can
override the current
configuration with a set of
BIOS defaults designed for the
most stable, minimalperformance system.
None.
Error: Non-System
disk or disk error.
Replace and press
any key when ready
The BIOS was unable to find a
suitable boot device. This may
mean an unitialized or corrupt
ATA flash.
Shut down the system, ensure that the power
and data cables of all storage devices are
plugged in properly, and reboot the system.
Warning: CPU fan
has failed.
CPU fan weak (RPM < 1000)
or not turning.
Ensure that the CPU fan power cable is
connected. If the problem persists, replace the
fan.
Warning: System Fan
has failed.
System fan weak (RPM <
1000) or not turning.
Ensure that the System fan power cable is
connected. If the problem persists, replace the
fan.
Memory is running at
Single Channel Mode
When two same size
memories are put in slot 1 and
3, this message will be
displayed.
For optimal performance, shut down the system
and move the second DIMM from the XMM3 to
the XMM2 socket.
Service Reference Guide, dx5150
Ensure all removable media have been
removed.
361685-001
C–3
POST Error Messages
POST Diagnostic Front Panel LEDs and Audible Codes
This section covers the front panel LED codes as well as the audible codes that may occur before
or during POST that do not necessarily have an error code or text message associated with them.
you see flashing LEDs on a PS/2 keyboard, look for flashing LEDs on the front panel of the
✎ Ifcomputer
and refer to the following table to determine the front panel LED codes.
Recommended actions in the following table are listed in the order in which they should be
performed.
Diagnostic Front Panel LEDs and Audible Codes
Activity
Beeps
Possible
Cause
Recommended Action
Green Power LED
On.
None
Computer on.
None
Green Power LED
flashes every two
seconds. The
Power LED will
continue flashing
until the problem is
resolved.
None
Computer in
Suspend to
RAM mode
(some models
only) or
normal
Suspend
mode.
None required. Press any key or move
the mouse to wake the computer.
Red Power LED
flashes two times,
once every second,
followed by a
two-second pause.
The Power LED will
continue flashing
until the problem is
resolved. (Pertains
to CPU fan only)
None
Processor
thermal
protection
activated:
A fan may be
blocked or not
turning.
OR
The
heatsink/fan
assembly is
not properly
attached to
the processor.
1. Ensure that the computer air vents
are not blocked and the processor
cooling fan is running. Leave a
4-inch (10.2-cm) clearance at the
back of the system unit and above
the monitor to permit the required
airflow.
2. Open hood, press power button,
and see if the processor fan spins. If
the processor fan is not spinning,
make sure the fan's cable is plugged
onto the system board header.
Ensure the fan is fully/properly
seated or installed.
3. If fan is plugged in and seated
properly, but is not spinning, then
replace processor fan.
4. Reseat processor heatsink and verify
that the fan assembly is properly
attached.
C–4
361685-001
Service Reference Guide, dx5150
POST Error Messages
Diagnostic Front Panel LEDs and Audible Codes (Continued)
Activity
Beeps
Red Power LED
flashes three times,
once every second,
followed by a
two-second pause.
The Power LED will
continue flashing
until the problem is
resolved.
None
Red Power LED
flashes four times,
once every second,
followed by a
two-second pause.
The Power LED will
continue flashing
until the problem is
resolved.
None
Possible
Cause
Recommended Action
Processor not
installed (not
an indicator
of bad
processor).
1. Check to see that the processor is
present.
Power failure
(power supply
overloaded).
1. Open the hood and ensure the
4-wire power supply cable is seated
into the connector on the system
board.
2. Reseat the processor.
2. Check if a device is causing the
problem by removing ALL attached
devices (such as hard, diskette, or
optical drives, and expansion
cards). Power on the system. If the
system enters the POST, then power
off and replace one device at a time
and repeat this procedure until
failure occurs. Replace the device
that is causing the failure. Continue
adding devices one at a time to
ensure all devices are functioning
properly.
3. Replace the power supply.
4. Replace the system board.
Red Power LED
flashes five times,
once every second,
followed by a
two-second pause,
and the computer
beeps five times.
Beeps stop after
five times but the
Power LED will
continue flashing
until the problem is
resolved.
Service Reference Guide, dx5150
5
Pre-video
memory error.
1. Reseat DIMMs. Power on the
system.
2. Replace DIMMs one at a time to
isolate the faulty module.
3. Replace third-party memory with HP
memory.
4. Replace the system board.
361685-001
C–5
POST Error Messages
Diagnostic Front Panel LEDs and Audible Codes (Continued)
Activity
C–6
Beeps
Possible
Cause
Red Power LED
flashes six times,
once every second,
followed by a
two-second pause,
and the computer
beeps six times.
Beeps stop after
five times but the
Power LED will
continue flashing
until the problem is
resolved.
6
Pre-video
graphics
error.
Red Power LED
flashes seven times,
once every second,
followed by a
two-second pause,
and the computer
beeps seven times.
Beeps stop after
five times but the
Power LED will
continue flashing
until the problem is
resolved.
7
System board
failure (ROM
detected
failure prior to
video).
Red Power LED
flashes eight times,
once every second,
followed by a
two-second pause,
and the computer
beeps eight times.
Beeps stop after
five times but the
Power LED will
continue flashing
until the problem is
resolved.
8
Invalid ROM
based on bad
checksum.
Recommended Action
For systems with a graphics card:
1. Reseat the graphics card. Power on
the system.
2. Replace the graphics card.
3. Replace the system board.
For systems with integrated graphics,
replace the system board.
Replace the system board.
1. Reflash the ROM using a ROMPaq
diskette. See the “ROM Flash”
section of the Desktop Management
Guide on the Documentation CD.
2. Replace the system board.
361685-001
Service Reference Guide, dx5150
POST Error Messages
Diagnostic Front Panel LEDs and Audible Codes (Continued)
Activity
Beeps
Red Power LED
flashes nine times,
once every second,
followed by a
two-second pause,
and the computer
beeps nine times.
Beeps stop after
five times but the
Power LED will
continue flashing
until the problem is
resolved.
9 or
None,
depending
on the
issue
Red Power LED
flashes ten times,
once every second,
followed by a
two-second pause,
and the computer
beeps ten times.
Beeps stop after
five times but the
Power LED will
continue flashing
until the problem is
resolved.
10
Service Reference Guide, dx5150
Possible
Cause
System
powers on but
is unable to
boot.
Recommended Action
1. Check that the voltage selector,
located on the rear of the power
supply (some models), is set to the
appropriate voltage. Proper voltage
setting depends on your region.
2. Replace the system board.
3. Replace the processor.
Bad option
card.
1. Check each graphics card by
removing the card (one at a time if
multiple cards), then power on the
system to see if fault goes away.
2. Once a bad card is identified,
remove and replace the bad option
card.
3. Replace the system board.
361685-001
C–7
POST Error Messages
Diagnostic Front Panel LEDs and Audible Codes (Continued)
Activity
System does not
power on and LEDs
are not flashing.
Beeps
None
Possible
Cause
System unable
to power on.
Recommended Action
Press and hold the power button for less
than 4 seconds. If the hard drive LED
turns green, then:
1. Check that the voltage selector,
located on the rear of the power
supply, is set to the appropriate
voltage. Proper voltage setting
depends on your region.
2. Remove the expansion cards one at
a time until the 5V_aux light on the
system board turns on.
3. Replace the system board.
OR
Press and hold the power button for less
than 4 seconds. If the hard drive LED
does not turn on green then:
1. Check that the unit is plugged into a
working AC outlet.
2. Open hood and check that the
power button harness is properly
connected to the system board.
3. Check that both power supply
cables are properly connected to
the system board.
4. Check to see if the 5V_aux light on
the system board is turned on. If it is
turned on, then replace the power
button harness.
5. If the 5V_aux light on the system
board is not turned on, then replace
the power supply.
6. Replace the system board.
C–8
361685-001
Service Reference Guide, dx5150
D
Troubleshooting Without Diagnostics
Preliminary Checklist
This section describes some simple, preliminary tests and guidelines for troubleshooting the
computer without using the diagnostics.
■
Are the computer and monitor connected to a working electrical outlet?
■
Is the voltage select switch is set to the appropriate voltage for your region (115V or 230V)?
■
Is the computer turned on?
■
Is the green power light illuminated?
■
Is the monitor turned on?
■
Is the green monitor light illuminated?
■
Turn up the monitor brightness and contrast controls if the monitor is dim.
■
If the system has multiple video sources (embedded, PCI, or PCI Express adapters) installed
(embedded video on some models only) and a single monitor, the monitor must be plugged
into the monitor connector on the source selected as the primary VGA adapter. During boot,
the other monitor connectors are disabled and if the monitor is connected into these ports, the
monitor will not function. You can select which source will be the default VGA source in
Computer (F10) Setup.
■
Press and hold any key. If the system beeps, then the keyboard is operating correctly.
■
Check all cables for loose or incorrect connections.
■
Reconfigure the computer after installing a non–Plug and Play expansion board or other
option, such as a diskette drive.
■
Are all of the necessary device drivers installed?
■
Have all printer drivers been installed for each application?
■
Remove all diskettes from the diskette drives before you turn on the system.
■
Are all switches set correctly?
■
Is the NIC Remote Wakeup cable (featured on some models) connected between the NIC and
the riser/system board?
Service Reference Guide, dx5150
361685-001
D–1
Troubleshooting Without Diagnostics
Solving Minor Problems
Solving Minor Problems
Problem
Cause
Possible Solution
Computer appears
locked up and will not
turn off when the power
button is pressed.
Software control of the
power switch is not
functional.
Computer will not
respond to USB
keyboard or mouse.
Computer is in
standby mode.
Press the power button to resume
from standby mode.
System has locked up.
Restart computer.
1. Press and hold the power button
for at least four seconds until the
computer turns off.
2. Disconnect electrical plug from
outlet.
When attempting to resume from standby mode, do not hold down the power
Ä CAUTION:
button for more than four seconds. Otherwise, the computer will shut down and you will lose
your unsaved data.
D–2
Computer date and
time display is
incorrect.
RTC (real-time clock)
battery may need to be
replaced.
Computer appears to
pause periodically.
Network driver is loaded
and no network
connection is established.
Establish a network connection, or
use Computer Setup or Microsoft
Windows Device Manager to disable
the network controller.
Cursor will not move
using the arrow keys on
the keypad.
The Num Lock key
may be on.
Press the Num Lock key. The Num
Lock key can be disabled (or
enabled) in Computer Setup.
Devices connected to
USB ports do not
operate.
The Front Panel USB Port
may be disabled in
Computer Setup. This
option controls the front
USB port and the two USB
ports on the back of the
computer under the NIC
connector.
Enable the Front Panel USB Port in
Computer Setup. If the problem
persists, contact an authorized
service center.
Cannot remove
computer cover or
access panel.
Smart Cover Lock,
featured on some
computers, is locked.
361685-001
1. Reset the date and time under
Control Panel.
2. Replace the RTC battery.
1. Unlock the Smart Cover Lock
using Computer Setup.
2. Use the Smart Cover FailSafe
Key in case of forgotten
password, power loss, or
computer malfunction.
Service Reference Guide, dx5150
Troubleshooting Without Diagnostics
Solving Minor Problems (Continued)
Problem
Cause
Possible Solution
Poor performance is
experienced.
Processor is hot.
1. Ensure airflow to the computer is
not blocked.
2. Ensure the fans are connected
and working properly (some fans
only operate when needed).
3. Ensure the processor heatsink is
installed properly.
Hard drive is full.
Transfer data from the hard drive to
create more space on the hard drive.
Low on memory.
Add more memory.
Hard drive fragmented.
Defragment hard drive.
Program previously
accessed did not release
reserved memory back to
the system.
Restart the computer.
Virus resident on the hard
drive.
Run virus protection program.
Too many applications
running.
1. Close unnecessary applications
to free up memory.
2. Add more memory.
Cause unknown.
Computer powered off
automatically and the
Power LED flashes Red
two times, once every
second, followed by a
two second pause.
Processor thermal
protection activated:
A fan may be blocked or
not turning.
OR
The heatsink is not
properly attached to the
processor.
Restart the computer.
1. Ensure computer air vents are not
blocked and the cooling fan is
running.
2. Open hood, press power button,
and see if the processor fan
spins. If not spinning, make sure
the fan's cable is plugged onto
the system board header. Ensure
the fan is fully/properly seated or
installed.
3. Replace the processor fan.
4. Reseat processor heatsink and
verify that the fan assembly is
properly attached.
Service Reference Guide, dx5150
361685-001
D–3
Troubleshooting Without Diagnostics
Solving Minor Problems (Continued)
Problem
Cause
Possible Solution
System does not power
on and the LEDs on the
front of the computer
are not flashing.
System unable to power
on.
Press and hold the power button for
less than 4 seconds. If the hard drive
LED turns green, then:
1. Check that the voltage selector is
set to the appropriate voltage.
2. Remove the expansion cards one
at a time until the 5V_aux light on
the system board turns on.
3. Replace the system board.
OR
Press and hold the power button for
less than 4 seconds. If the hard drive
LED does not turn on green then:
1. Check that the unit is plugged
into a working AC outlet.
2. Open hood and check that the
power button harness is properly
connected to the system board.
3. Check that both power supply
cables are properly connected to
the system board.
4. If the 5V_aux light on the system
board is on, then replace the
power button harness.
5. If the 5V_aux light on the system
board is off, then replace the
power supply.
6. Replace the system board.
D–4
361685-001
Service Reference Guide, dx5150
Troubleshooting Without Diagnostics
Solving Power Supply Problems
Solving Power Supply Problems
Problem
Cause
Solution
Power supply shuts down
intermittently.
Voltage selector switch
on rear of computer
chassis not switched to
correct line voltage.
Select the proper AC voltage.
Power supply fault.
Replace the power supply.
Computer powered off
automatically and the
Power LED flashes Red two
times, once every second,
followed by a two second
pause. (Pertains to CPIU
fan only)
Processor thermal
protection activated:
A fan may be blocked
or not turning.
OR
The heatsink/fan
assembly is not
properly attached to the
processor.
1. Ensure that the computer air
vents are not blocked and the
cooling fan is running.
2. Open hood, press the power
button, and see if the processor
fan spins. If the processor fan is
not spinning, make sure the
fan's cable is plugged onto the
system board header. Ensure
the fan is fully/properly seated
or installed.
3. Replace the processor fan.
4. Reseat processor heatsink and
verify that the fan assembly is
properly attached.
Power LED flashes Red four
times, once every second
followed by a two-second
pause.
Power failure (power
supply is overloaded).
1. Check that the voltage selector,
is set to the appropriate
voltage.
2. Open the hood and ensure the
4- wire power supply cable is
seated into the connector on the
system board.
3. Check if a device is causing the
problem by removing ALL
attached devices). Power on the
system. If the system enters the
POST, then power off and
replace one device at a time
and repeat this procedure until
failure occurs. Replace the
device causing the failure.
Continue adding devices one at
a time to ensure all devices are
functioning properly.
4. Replace the power supply.
5. Replace the system board.
Service Reference Guide, dx5150
361685-001
D–5
Troubleshooting Without Diagnostics
Solving Diskette Problems
Solving Diskette Problems
Problem
Cause
Solution
Diskette drive light
stays on.
Diskette is damaged.
In Microsoft Windows XP, right-click
Start, click Explore, and select a
drive. Select File > Properties >
Tools. Under Error-checking,
click Check Now.
Diskette is incorrectly
inserted.
Remove diskette and reinsert.
Drive cable is not
properly connected.
Reconnect power cable. Ensure that
all four pins are connected.
Cable is loose.
Reseat diskette drive data and
power cables.
Removable drive is not
seated properly.
Reseat the drive.
Diskette is not
formatted.
Format the diskette.
Diskette is
write-protected.
Use another diskette or remove the
write protection.
Writing to the wrong
drive.
Check the drive letter in the path
statement.
Not enough space is
left on the diskette.
Use another diskette.
Diskette write control is
enabled.
Use Computer Setup to check the
storage security feature disabled
settings.
Diskette is damaged.
Replace the damaged disk.
Invalid media reported.
When formatting a disk in MS-DOS,
you may need to specify diskette
capacity. For example, to format a
1.44-MB diskette, type the following
command at the MS-DOS prompt:
Drive not found.
Diskette drive cannot write
to a diskette.
Cannot format diskette.
FORMAT A: /F:1440
A problem has occurred
with a disk transaction.
D–6
Disk may be write
protected.
Open the locking device on the
diskette.
The directory structure
is bad, or there is a
problem with a file.
In Windows XP, right-click Start,
click Explore, and select a drive.
Select File > Properties >
Tools. Under Error-checking,
click Check Now.
361685-001
Service Reference Guide, dx5150
Troubleshooting Without Diagnostics
Solving Diskette Problems (Continued)
Problem
Cause
Solution
Diskette drive cannot read
a diskette.
Diskette is not
formatted.
Format the diskette.
You are using the
wrong diskette type for
the drive type.
Check the type of drive that you
are using and use the correct
diskette type.
You are reading the
wrong drive.
Check the drive letter in the path
statement.
Diskette is damaged.
Replace the diskette with a
new one.
A diskette that does not
contain the system files
needed to start the
computer has been
inserted in the drive.
When drive activity stops, remove
the diskette and press the
Spacebar. The computer should
start up.
Diskette error has
occurred.
Restart the computer by pressing the
power button.
Diskette is not bootable.
Replace with a bootable diskette.
Diskette boot has been
disabled in Computer
Setup.
Run Computer Setup and enable
diskette boot in Storage > Boot
Order.
Removable media boot
has been disabled in
Computer Setup.
Run Computer Setup and enable
Removable Media Boot in
Storage > Storage Options.
Network server mode is
enabled in Computer
Setup.
Enter Computer Setup and move the
network interface card to the last
position in Advanced BIOS
Features > Removable Device
Priority.
“Invalid system disk”
message is displayed.
Cannot Boot to Diskette.
Service Reference Guide, dx5150
361685-001
D–7
Troubleshooting Without Diagnostics
Solving Hard Drive Problems
Solving Hard Drive Problems
Problem
Cause
Hard drive error occurs.
Hard disk has bad
sectors or has failed.
Solution
1. In Windows XP, right-click
Start, click Explore, and
select a drive. Select File >
Properties > Tools. Under
Error-checking, click Check
Now.
2. Use a utility to locate and block
usage of bad sectors. If
necessary, reformat the hard
disk.
Disk transaction problem.
Either the directory
structure is bad or there
is a problem with a file.
In Windows XP, right-click Start,
click Explore, and select a drive.
Select File > Properties > Tools.
Under Error-checking, click
Check Now.
Drive not found (identified).
Loose cable.
Check cable connections.
The system may not
have automatically
recognized a newly
installed device.
1. Run Computer Setup.
2. If the system still does not
recognize the new device,
check to see if the device is
listed within Computer Setup. If
it is listed, the probable cause is
a driver problem. If it is not
listed, the probable cause is a
hardware problem.
3. If this is a newly installed drive,
enter Computer Setup and
disable the Quick Power On
Self Test in Advanced BIOS
Features.
D–8
Drive’s controller is
disabled in Computer
Setup.
Enter Computer Setup and enable
all the IDE and SATA controllers in
Integrated Peripherals >
South OnChip IDE Device and
Integrated Peripherals >
South OnChip PCI Device.
Drive responds slowly
immediately after
power-up.
Enter Computer Setup and disable
the Quick Power On Self Test in
Advanced BIOS Features.
361685-001
Service Reference Guide, dx5150
Troubleshooting Without Diagnostics
Solving Hard Drive Problems (Continued)
Problem
Cause
Solution
Nonsystem disk/NTLDR
missing message.
System is trying to start
from a non bootable
diskette.
Remove the diskette from the
diskette drive
System is trying to start
from a damaged hard
drive.
1. Insert a bootable diskette into
the diskette drive and restart the
computer.
2. Check the hard drive format
using fdisk:
If NTFS formatting, use a third
party reader to evaluate the
drive.
If FAT32 formatting, the hard
drive cannot be accessed.
Replace the MBR image.
System files missing or
not properly installed.
1. Insert a bootable diskette into
the diskette drive and restart the
computer.
2. Check the hard drive format
using Fdisk:
If NFTFS formatting, use a third
party reader to evaluate the
drive.
If FAT32 formatting, the hard
drive cannot be accessed.
Replace the MBR image.
Hard drive boot
disabled in Computer
Setup.
Enter Computer Setup and enable
the hard drive in Integrated
Peripherals > South OnChip
IDE Device > OnChip IDE
Channel 0 or 1.
- or Enter Computer Setup and enable
the hard drive in Integrated
Peripherals > South OnChip
PCI Device > Onboard Chip
SATA.
Bootable hard drive is
not attached as first in a
multi-hard drive
configuration.
Service Reference Guide, dx5150
361685-001
If attempting to boot from a SATA
hard drive, ensure it is attached to
SATA 0.
D–9
Troubleshooting Without Diagnostics
Solving Hard Drive Problems (Continued)
Problem
Cause
Solution
Computer will not start.
Hard drive is damaged.
Observe the beeps and LED lights
on the front of the computer. See
Appendix C, “POST Error
Messages.”
Computer seems to be
locked up.
Program in use has
stopped responding to
commands.
1. Attempt the normal Windows
“Shut Down” procedure.
2. Press the power button for
four or more seconds to turn off
the power.
3. Restart the computer using the
power button.
D–10
361685-001
Service Reference Guide, dx5150
Troubleshooting Without Diagnostics
Solving Display Problems
Solving Display Problems
Problem
Cause
Solution
Blank screen (no video).
The cable connections
are not correct.
Check the cable connections from
the monitor to the computer and to
the electrical outlet.
Screen blanking utility
installed or energy
saver features enabled.
Press any key or click the mouse
button and, if set, type your
password.
System ROM is bad;
system is running in
FailSafe Boot Block
mode (indicated by
eight beeps).
Reflash the ROM using a ROMPaq
diskette.
Fixed-sync monitor will
not sync at the
resolution chosen.
Ensure that the monitor can accept
the same horizontal scan rate as the
resolution chosen.
Computer is in
standby mode.
Press the power button to resume
from standby mode.
CAUTION: When attempting to resume from standby mode, do not hold down the
Ä power
button for more than four seconds. Otherwise, the computer will shut down
and you will lose your unsaved data.
Monitor cable plugged
into the wrong
connector.
If the computer system has both
an integrated graphics connector
and an add-in graphics card
connector, plug the monitor cable
into the graphics card connector on
the back of the computer.
Monitor settings in the
computer are not
compatible with the
monitor.
1. Restart the computer and press
F8 during startup when you see
“Press F8” in the bottom right
corner of the screen.
2. Using the keyboard arrow keys,
select Enable VGA Mode
and press Enter.
3. In Windows Control Panel,
double-click the Display icon
and select the Settings tab.
4. Use the sliding control to reset
the resolution.
Service Reference Guide, dx5150
361685-001
D–11
Troubleshooting Without Diagnostics
Solving Display Problems (Continued)
Problem
Cause
Blank screen and the
power LED flashes Red five
times, once every second,
followed by a two-second
pause, and the computer
beeps five times. The beeps
will repeat five times, but
the Power LED will continue
flashing until the problem is
resolved.
Pre-video memory error.
Power LED flashes Red six
times, once every second,
followed by a two second
pause, and the computer
beeps six times. The beeps
will repeat five times, but
the Power LED will continue
flashing until the problem is
resolved.
Pre-video graphics
error.
Blank screen and the
power LED flashes Red
seven times, once every
second, followed by a
two-second pause, and the
computer beeps seven
times. The beeps will
repeat five times, but the
Power LED will continue
flashing until the problem is
resolved.
System board failure
(ROM detected failure
prior to video).
Replace the system board.
Monitor does not function
properly when used with
energy saver features.
Monitor without energy
saver capabilities is
being used with energy
saver features enabled.
Disable monitor energy saver
feature.
Dim characters.
The brightness and
contrast controls are not
set properly.
Adjust the monitor brightness and
contrast controls.
Cables are not properly
connected.
Check that the graphics cable is
securely connected to the graphics
card and the monitor.
If the graphics
controller was
upgraded, the correct
video drivers may not
be loaded.
Install the video drivers included in
the upgrade kit.
Blurry video or requested
resolution cannot be set.
D–12
Solution
1. Reseat DIMMs. Power on the
system.
2. Replace DIMMs one at a time to
isolate the faulty module.
3. Replace third-party memory
with HP memory.
4. Replace the system board.
For systems with a graphics card:
1. Reseat the graphics card.
2. Replace the graphics card.
3. Replace the system board.
For systems with integrated
graphics, replace the system board.
361685-001
Service Reference Guide, dx5150
Troubleshooting Without Diagnostics
Solving Display Problems (Continued)
Problem
Cause
Solution
Blurry video or requested
resolution cannot be set
(continued)
Monitor is not capable
of displaying requested
resolution.
Change requested resolution.
The picture is broken up,
rolls, jitters, or flashes.
The monitor
connections may be
incomplete or the
monitor may be
incorrectly adjusted.
1. Be sure the monitor cable is
securely connected to the
computer.
2. In a two-monitor system or if
another monitor is in close
proximity, be sure the monitors
are not interfering with each
other’s electromagnetic field by
moving them apart.
3. Fluorescent lights or fans may
be too close to the monitor.
Monitor needs to be
degaussed.
Degauss the monitor.
Vibrating or rattling noise
coming from inside a CRT
monitor when powered on.
Monitor degaussing
coil has been activated.
None. It is normal for the
degaussing coil to be activated
when the monitor is powered on.
Clicking noise coming from
inside a CRT monitor.
Electronic relays have
been activated inside
the monitor.
None. It is normal for some
monitors to make a clicking noise
when turned on and off, when
going in and out of standby mode,
and when changing resolutions.
High pitched noise coming
from inside a flat panel
monitor.
Brightness and/or
contrast settings are too
high.
Lower brightness and/or contrast
settings.
Fuzzy focus; streaking,
ghosting, or shadowing
effects; horizontal scrolling
lines; faint vertical bars; or
unable to center the picture
on the screen.
(flat panel monitors using
an analog VGA input
connection only)
Flat panel monitor’s
internal digital
conversion circuits may
be unable to correctly
interpret the output
synchronization of the
graphics card.
1. Select the monitor’s
Auto-Adjustment option in the
monitor’s on-screen display
menu.
Certain typed symbols do
not appear correct.
The font you are using
does not support that
particular symbol.
Use the Character Map to locate the
and select the appropriate symbol.
Click Start > All Programs >
Accessories > System Tools >
Character Map. You can copy
the symbol from the Character Map
into a document.
Service Reference Guide, dx5150
361685-001
2. Manually synchronize the Clock
and Clock Phase on-screen
display functions. Download
SoftPaq SP20930 or SP22333,
depending on the monitor, to
assist with the synchronization.
D–13
Troubleshooting Without Diagnostics
Solving Audio Problems
Solving Audio Problems
Problem
Cause
Solution
Sound cuts in and out.
Processor resources are
being used by other
open applications.
Shut down all open
processor-intensive applications.
Direct sound latency,
common in many media
player applications.
In Windows XP:
1. From the Control Panel,
select Sounds and Audio
Devices.
2. On the Audio tab, select a
device from the Sound
Playback list.
3. Click the Advanced button
and select the Performance
tab.
4. Set the Hardware
acceleration slider to None
and the Sample rate
conversion quality slider to
Good and retest the audio.
Set the Hardware acceleration
slider to Full and the Sample rate
conversion quality slider to
Best and retest the audio.
Sound does not come
out of the speaker or
headphones.
D–14
Software volume control
is turned down.
Double-click the Speaker icon on
the taskbar and use the volume
slider to adjust the volume.
Audio is hidden in
Computer Setup.
Enable the audio in Computer
Setup: Integrated Peripherals
> South OnChip PCI Device.
The external speakers
are not turned on.
Turn on the external speakers.
External speakers
plugged into the wrong
audio jack.
See the sound card documentation
for proper speaker connection.
Audio cable not
connected.
Connect audio cable between CD
or DVD-ROM drive and the system
board.
361685-001
Service Reference Guide, dx5150
Troubleshooting Without Diagnostics
Solving Audio Problems (Continued)
Problem
Cause
Solution
Sound does not come
out of the speaker or
headphones. (Continued)
Digital CD audio is not
enabled.
Enable digital CD audio:
1. From the Control Panel,
select System.
2. On the Hardware tab, click
the Device Manager button.
3. Right-click on the CD/DVD
device and select Properties.
4. On the Properties tab, make
sure “Enable digital CD
audio for this CD-ROM
device” is checked.
Headphones or devices
connected to the
line-out connector mute
the internal speaker.
Volume is muted.
Turn on and use headphones or
external speakers, if connected, or
disconnect headphones or external
speakers.
1. From the Control Panel
program, click Sound,
Speech and Audio
Devices, then click Sounds
and Audio Devices.
2. Click the Mute check box to
remove the check mark from
the box.
Computer is in
standby mode.
Press the power button to resume
from standby mode.
CAUTION: When attempting to resume from standby mode, do not hold down the
Ä power
button for more than four seconds. Otherwise, the computer will shut down
and you will lose your unsaved data.
Noise or no sound comes
out of the speakers or
headphones.
Computer may not be
detecting the correct
speaker/headphone
type or output or
analog-to-digital
auto-sense is not
engaged.
1. The audio output jack supports
both digital and analog output
functions. When using digital
speakers, switch the PC’s output
jack to digital mode. Go to the
Volume Control Panel, select
the Advanced button, and
select the Enable Digital Audio
check box. When using
conventional analog speakers,
ensure this check box is not
selected.
2. If the headphones have a mono
jack, use the multimedia device
properties to switch the system
to analog out.
Service Reference Guide, dx5150
361685-001
D–15
Troubleshooting Without Diagnostics
Solving Audio Problems (Continued)
Problem
✎
Cause
Solution
If you set digital as the Output Mode, the internal speaker and external analog
speakers will no longer output audio until you switch back to an auto-sense or
analog mode.
If you set analog as the Output Mode, external digital speakers will not function
until you change the output mode back to an auto-sense or digital mode.
Computer appears to be
locked up while recording
audio.
The hard disk may be
full.
1. Before recording, make sure
there is enough free space on
the hard disk.
2. Try recording the audio file in a
compressed format.
Solving Printer Problems
Solving Printer Problems
Problem
Cause
Solution
Printer will not print.
Printer is not turned on
and online.
Turn the printer on and make sure it
is online.
The correct printer
driver for the
application are not
installed.
1. Install the correct printer driver
for the application.
2. Try printing using the
MS-DOS command:
DIR C:\ > [printer port]
where [printer port] is the
address of the printer being
used. If the printer works,
reload the printer driver.
If you are on a network,
you may not have
made the connection
to the printer.
Make the proper network
connections to the printer.
Printer may have failed.
Run printer self-test.
Printer will not turn on.
The cables may not be
connected properly.
Reconnect all cables.
Printer prints garbled
information.
The correct printer
driver is not installed.
Install the correct printer driver for
the application.
The cables may not be
connected properly.
Reconnect all cables.
Printer memory may be
overloaded.
Reset the printer by turning it off for
one minute, then turn it back on.
The printer may be out
of paper.
1. Check the paper tray and refill
it if it is empty.
Printer is offline.
2. Select online.
D–16
361685-001
Service Reference Guide, dx5150
Troubleshooting Without Diagnostics
Solving Keyboard and Mouse Problems
Solving Keyboard Problems
Problem
Cause
Keyboard commands and
typing are not recognized
by the computer.
Keyboard connector
is not properly
connected.
Solution
1. Turn off the computer.
2. Reconnect the keyboard to the
back of the computer and
restart the computer.
Program in use has
stopped responding
to commands.
Shut down the computer using
the mouse and then restart the
computer.
Keyboard needs
repairs.
Replace the keyboard.
Computer is in
standby mode.
Press the power button to resume
from standby mode.
CAUTION: When attempting to resume from standby mode, do not hold down the
Ä power
button for more than four seconds. Otherwise, the computer will shut down
and you will lose your unsaved data.
Cursor will not move using
the arrow keys on the
keypad.
The Num Lock key
may be on.
Press the Num Lock key. The
Num Lock light should not be on if
you want to use the arrow keys. The
Num Lock key can be disabled
(or enabled) in Computer Setup.
Mouse does not respond to
movement or is too slow.
Mouse connector is
not properly plugged
into the back of the
computer.
1. Shut down the computer using
the keyboard.
2. Plug the mouse connector into
the back of the computer (or the
keyboard) and restart the
computer.
Program in use has
stopped responding
to commands.
Shut down the computer using the
keyboard and then restart the
computer.
Mouse may need
cleaning.
Remove the roller ball cover on the
mouse and clean the internal
components.
Mouse needs repairs.
Replace the mouse.
Computer is in
standby mode.
Press the power button to resume
from standby mode.
CAUTION: When attempting to resume from standby mode, do not hold down the
Ä power
button for more than four seconds. Otherwise, the computer will shut down
and you will lose your data.
Mouse will only move
vertically or horizontally, or
movement is jerky.
Service Reference Guide, dx5150
Mouse roller ball is
dirty.
361685-001
Remove roller ball cover from the
bottom of the mouse and clean it.
D–17
Troubleshooting Without Diagnostics
Solving Hardware Installation Problems
You may need to reconfigure the computer when you add or remove hardware, such as an
additional diskette drive. If you install a plug and play device, Windows XP automatically
recognize the device and configure the computer. If you install a non–plug and play device, you
must reconfigure the computer after completing installation of the new hardware. In Windows
XP, use the Add Hardware Wizard and follow the instructions that appear on the screen.
Solving Hardware Installation Problems
Problem
Cause
Solution
A new device is not
recognized as part of
the system.
Device is not seated or
connected properly.
Ensure that the device is properly
and securely connected and that
pins in the connector are not
bent down.
Cable(s) of new
external device are
loose or power cables
are unplugged.
Ensure that all cables are properly
and securely connected and that
pins in the cable or connector are
not bent down.
Power switch of new
external device is not
turned on.
Turn off the computer, turn on the
external device, then turn on the
computer to integrate the device
with the computer system.
When the system
advised you of changes
to the configuration,
you did not accept
them.
Reboot the computer and follow the
instructions for accepting the
changes.
A plug and play board
may not automatically
configure when
added if the default
configuration conflicts
with other devices.
Use Windows XP Device Manager
to deselect the automatic settings for
the board and choose a basic
configuration that does not cause a
resource conflict. You can also use
Computer Setup to reconfigure or
disable devices to resolve the
resource conflict.
Wrong memory
modules were used in
the upgrade or memory
modules were installed
in the wrong location.
1. Review the documentation that
came with the system to
determine if you are using the
correct memory modules and to
verify the proper installation.
Computer will not start.
2. Observe the beeps and LED
lights on the front of the
computer. See Appendix C,
“POST Error Messages,” to
determine possible causes.
D–18
361685-001
Service Reference Guide, dx5150
Troubleshooting Without Diagnostics
Solving Hardware Installation Problems (Continued)
Problem
Cause
Power LED flashes Red five
times, once every second,
followed by a two second
pause, and the computer
beeps five times. The beeps
will repeat five times, but
the Power LED will continue
flashing until the problem is
resolved.
Memory is installed
incorrectly or is bad.
Power LED flashes Red six
times, once every second,
followed by a two second
pause, and the computer
beeps six times. The beeps
will repeat five times, but
the Power LED will continue
flashing until the problem is
resolved.
Video card is not
seated properly or is
bad, or system board is
bad.
Power LED flashes Red ten
times, once every second,
followed by a two-second
pause, and the computer
beeps ten times. The beeps
will repeat five times, but
the Power LED will continue
flashing until the problem is
resolved.
Bad option card.
Service Reference Guide, dx5150
Solution
1. Reseat DIMMs.
2. Replace DIMMs one at a time to
isolate the faulty module.
3. Replace third-party memory
with HP memory.
4. Replace the system board.
For systems with a graphics card:
1. Reseat the graphics card.
Power on the system.
2. Replace the graphics card.
3. Replace the system board.
For systems with integrated
graphics, replace the system board.
1. Check each option card by
removing the cards one at time
(if multiple cards), then power
on the system to see if fault goes
away.
2. Once bad card is identified,
remove and replace bad option
card.
3. Replace the system board.
361685-001
D–19
Troubleshooting Without Diagnostics
Solving Network Problems
These guidelines do not discuss the process of debugging the network cabling.
Solving Network Problems
Problem
Cause
Solution
Wake-on-LAN feature is
not functioning.
Wake-on-LAN is not
enabled.
Use the Network control
application to enable
Wake-on-LAN.
Network driver does
not detect network
controller.
Network controller is
disabled.
Run Computer Setup and enable
network controller.
Incorrect network driver.
Check the network controller
documentation for the correct driver
or obtain the latest driver from the
manufacturer’s Web site.
No active network is
detected.
Check cabling and network
equipment for proper connection.
Network controller is not
set up properly.
Use the Network control
application to verify that the device
is working properly.
Network driver is not
properly loaded.
Reinstall network drivers.
System cannot autosense
the network.
Disable auto-sensing capabilities
and force the system into the
correct operating mode.
The cable is not securely
connected.
Ensure that both ends of the data
cable are securely connected.
The cable is attached to
the incorrect connector.
Ensure that the cable is attached to
the correct connector.
There is a problem with
the cable or a device at
the other end of the cable.
Ensure that the cable and device at
the other end are operating
correctly.
Network controller
interrupt is shared with
an expansion board.
Enter Computer Setup and change
the resource settings for the board
in PnP/PCI Configurations >
IRQ Resources.
The network controller
is defective.
Replace the NIC.
Network status link light
does not turn on or it
never flashes.
✎
The network status
light should flash
when there is
network activity.
Diagnostics reports a
failure.
Diagnostics passes, but
the computer does not
communicate with the
network.
Network drivers are
not loaded, or driver
parameters do not match
current configuration.
1. Make sure the network drivers
are loaded and that the driver
parameters match the
configuration of the network
controller.
2. Make sure the correct network
client and protocol is installed.
D–20
361685-001
Service Reference Guide, dx5150
Troubleshooting Without Diagnostics
Solving Network Problems (Continued)
Problem
Cause
Solution
Diagnostics passes, but
the computer does not
communicate with the
network. (continued)
The network controller
is not configured for this
computer.
Select the Network icon in the
Control Panel and configure the
network controller.
Network controller
stopped working when
an expansion board was
added to the computer.
Network controller
interrupt is shared with an
expansion board.
Enter Computer Setup and change
the resource settings for the board
in PnP/PCI Configurations >
IRQ Resources.
The network controller
requires drivers.
Verify that the drivers were not
accidentally deleted when the
drivers for a new expansion board
were installed.
The expansion board
installed is a network card
(NIC) and conflicts with
the embedded NIC.
Enter Computer Setup and change
the resource settings for the board
in PnP/PCI Configurations >
IRQ Resources.
The files containing the
network drivers are
corrupted.
Reinstall the network drivers, using
the Restore Plus! CD.
The cable is not securely
connected.
Ensure that both ends of the cable
are securely attached to the correct
devices.
The network controller is
defective.
Replace the NIC.
New network card will
not boot.
New network card may
be defective or may not
meet industry-standard
specifications.
Install a working, industry-standard
NIC, or change the boot sequence
to boot from another source.
Cannot connect to
network server when
attempting Remote
System Installation.
The network controller is
not configured properly.
Verify Network Connectivity, that a
DHCP Server is present, and that
the Remote System Installation
Server contains the NIC drivers for
your NIC.
System setup utility
reports unprogrammed
EEPROM.
Unprogrammed EEPROM.
Flash the ROM.
Network controller stops
working without
apparent cause.
Service Reference Guide, dx5150
361685-001
D–21
Troubleshooting Without Diagnostics
Solving Memory Problems
Ä
CAUTION: For those systems that support ECC memory, HP does not support mixing ECC and non-ECC
memory. Otherwise, the system will not boot the operating system.
Solving Memory Problems
Problem
Cause
Solution
System will not boot or
does not function properly
after installing additional
memory modules.
Memory module is not
the correct type or
speed or the new
memory module is not
seated properly.
Replace module with the correct
industry-standard device for the
computer.
On some models, ECC and
non-ECC memory modules cannot
be mixed.
Out of memory error.
Memory count during
POST is wrong.
Insufficient memory error
during operation.
Power LED flashes Red five
times, once every second,
followed by a two second
pause, and the computer
beeps five times. The beeps
will repeat five times, but
the Power LED will continue
flashing until the problem is
resolved.
D–22
Memory configuration
may not be set up
correctly.
Use the Device Manager to check
memory configuration.
You have run out of
memory to run the
application.
Check the application
documentation to determine the
memory requirements.
The memory modules
may not be installed
correctly.
Check that the memory modules
have been installed correctly and
that proper modules are used.
Integrated graphics
may use system
memory.
No action required.
Too many Terminate
and Stay Resident
programs (TSRs) are
installed.
Delete any TSRs that you do
not need.
You have run out of
memory for the
application.
Check the memory requirements for
the application or add more
memory to the computer.
Memory is installed
incorrectly or is bad.
1. Reseat DIMMs.
2. Replace DIMMs one at a time to
isolate the faulty module.
3. Replace third-party memory
with HP memory.
4. Replace the system board.
361685-001
Service Reference Guide, dx5150
Troubleshooting Without Diagnostics
Solving Processor Problems
Solving Processor Problems
Problem
Cause
Poor performance is
experienced.
Processor is hot.
Solution
1. Make sure the airflow to the
computer is not blocked. Leave
a 10.2-cm (4-inch) clearance at
the back of the system unit and
above the monitor to permit the
required airflow.
2. Make sure the fans are
connected and working
properly (some fans only
operate when needed).
3. Make sure the processor
heatsink is installed properly.
Power LED flashes Red
three times, once every
second, followed by a
two-second pause. The
Power LED will continue
flashing until the problem is
resolved.
Service Reference Guide, dx5150
Processor is not seated
properly or not
installed. (This is not an
indicator of a bad
processor)
361685-001
1. Check to see that the processor
is present.
2. Reseat the processor.
D–23
Troubleshooting Without Diagnostics
Solving CD-ROM and DVD Problems
Solving CD-ROM and DVD Problems
Problem
Cause
Solution
System will not boot from
CD-ROM or DVD drive.
Removable Media Boot
is disabled in the
Computer Setup utility.
Enter Computer Setup and enable
CD-ROM or DVD drive boot in
Integrated Peripherals >
South OnChip IDE Device >
OnChip IDE Channel 0 or 1.
Network Server Mode
is enabled in Computer
Setup.
Enter Computer Setup and move the
network interface card to the last
position in Advanced BIOS
Features > Removable Device
Priority.
Non-bootable CD in
drive.
Try a bootable CD in the drive.
Boot order not correct.
Enter Computer Setup and change
boot sequence in Advanced
BIOS Features and Advanced
BIOS Features > Removable
Device Priority.
CD-ROM or DVD devices
are not detected or driver
is not loaded.
Drive is not connected
properly or not properly
configured.
Movie will not play in the
DVD drive.
Movie may be
regionalized for a
different country.
See the documentation that came
with the DVD drive.
Decoder software is not
installed.
Install decoder software.
Damaged media.
Replace media.
Movie rating locked out
by parental lock.
Use DVD software to remove
parental lock.
Cannot eject compact disc
(tray-load unit).
Disc not properly
seated in the drive.
1. Reconnect power and data
cables to the drive.
2. Install correct device driver.
1. Turn off the computer and insert
a thin metal rod into the
emergency eject hole and push
firmly.
2. Slowly pull the tray out from the
drive until the tray is fully
extended, then remove the disc.
D–24
361685-001
Service Reference Guide, dx5150
Troubleshooting Without Diagnostics
Solving CD-ROM and DVD Problems (Continued)
Problem
Cause
Solution
CD-ROM, CD-RW,
DVD-ROM, or DVD-R/RW
drive cannot read a disc or
takes too long to start.
Media has been
inserted upside down.
Re-insert the media with the label
facing up.
The DVD-ROM drive
takes longer to start
because it has to
determine the type of
media played, such as
audio or video.
Wait at least 30 seconds to let the
DVD-ROM drive determine the type
of media being played. If the disc
still does not start, read the other
solutions listed for this topic.
CD or DVD disc is dirty.
Clean CD or DVD with a CD
cleaning kit.
Windows does not
detect the CD-ROM or
DVD-ROM drive.
1. Use Device Manager to remove
or uninstall the device in
question.
2. Restart the computer and let
Windows detect the device.
Recording audio CDs is
difficult or impossible.
Wrong or poor quality
media type.
1. Try using a slower recording
speed.
2. Verify that you are using the
correct media for the drive.
3. Try a different brand of media.
Quality varies widely between
manufacturers.
Solving Drive Key Problems
Solving Drive Key Problems
Problem
Cause
Solution
Drive key is not seen as a
drive letter in Windows XP.
The drive letter after the
last physical drive is not
available.
Change the default drive letter for
the Drive key in Windows XP.
The computer boots to
DOS after making a
bootable Drive key.
Drive key is bootable.
Install the Drive key after the
operating system boots.
Service Reference Guide, dx5150
361685-001
D–25
Troubleshooting Without Diagnostics
Solving Internet Access Problems
Solving Internet Access Problems
Problem
Cause
Solution
Unable to connect to the
Internet.
Internet Service
Provider (ISP) account is
not set up properly.
Verify Internet settings or contact the
ISP for assistance.
Modem is not set up
properly.
Reconnect the modem. Verify the
connections are correct using the
quick setup documentation.
Web browser is not set
up properly.
Verify that the Web browser is
installed and set up to work with
your ISP.
Cable/ DSL modem is
not plugged in.
Plug in cable/DSL modem. You
should see a “power” LED light on
the front of the cable/DSL modem.
Cable/DSL service is
not available or has
been interrupted due to
bad weather.
Try connecting to the Internet at a
later time or contact your ISP. (If the
cable/DSL service is connected, the
“cable” LED light on the front of the
cable/DSL modem will be on.)
The CAT5 UTP cable is
disconnected.
Connect the CAT5 UTP cable
between the cable modem and the
computers’s RJ-45 connector. (If the
connection is good, the “PC” LED
light on the front of the cable/DSL
modem will be on.)
IP address is not
configured properly.
Contact the ISP for the correct IP
address.
Cookies are corrupted.
In Windows XP
1. Select Start > Control
Panel.
2. Double-click Internet
Options.
3. On the General tab, click the
Delete Cookies button.
Cannot automatically
launch Internet programs.
D–26
You must log on to the
ISP before some
programs will start.
361685-001
Log on to the ISP and launch the
desired program.
Service Reference Guide, dx5150
Troubleshooting Without Diagnostics
Solving Internet Access Problems (Continued)
Problem
Cause
Solution
Internet takes too long to
download Web sites.
Modem is not set up
properly.
Verify that the correct modem speed
and COM port are selected.
For Windows XP:
1. Select Start > Control
Panel.
2. Double-click System.
3. Click the Hardware tab.
4. In the Device Manager area,
click the Device Manager
button.
5. Double-click Ports (COM &
LPT).
6. Right-click the COM port your
modem uses, then click
Properties.
7. Under Device status, verify
that the modem is working
properly.
8. Under Device usage, verify
the modem is enabled.
9. If there are further problems,
click the Troubleshoot button
and follow the on-screen
instructions.
Solving Software Problems
Most software problems occur as a result of the following:
■
The application was not installed or configured correctly.
■
There is insufficient memory available to run the application.
■
There is a conflict between applications.
■
Make sure that all the needed device drivers have been installed.
■
If you have installed an operating system other than the factory-installed operating system,
check to be sure it is supported on the system.
Where available, run the Configuration Record utility to determine if any changes have been
made to the software which may be causing a problem.
If you encounter software problems, see the applicable solutions listed in the following table.
Service Reference Guide, dx5150
361685-001
D–27
Troubleshooting Without Diagnostics
Solving Software Problems
Problem
Cause
Solution
Computer will not continue
and no HP logo screen has
appeared.
POST error has
occurred.
Observe the beeps and LED lights
on the front of the computer.
See Appendix C, “POST Error
Messages” to determine possible
causes.
See the Restore Kit or the
Worldwide Limited Warranty for
terms and conditions.
D–28
Computer will not continue
after HP logo screen has
appeared.
System files may be
damaged.
Use recovery diskette to scan hard
drive for errors.
“Illegal Operation has
Occurred” error message
is displayed.
Software being used is
not Microsoft-certified
for your version of
Windows.
Verify that the software is certified
by Microsoft for your version of
Windows (see program packaging
for this information).
Configuration files are
corrupt.
If possible, save all data, close all
programs, and restart the computer.
361685-001
Service Reference Guide, dx5150
E
Memory
AMD-Based Systems
Computers equipped with AMD-based processors come with Double Data Rate-Synchronous
Dynamic Random Access Memory (DDR-SDRAM) Dual Inline Memory Modules (DIMMs).
DIMMs
The memory sockets on the system board can be populated with up to four industry-standard
DIMMs. These memory sockets are populated with at least one preinstalled DIMM. To achieve
the maximum memory support, you can populate the system board with up to 8GB (1-Gbit
Technology) of memory configured in a high-performing dual channel mode.
✎ The memory available may be limited by the operating system.
DDR-SDRAM DIMMs
For proper system operation, if the computer supports DDR-SDRAM DIMMs,
the DIMMs must be:
■
industry-standard 184-pin
■
unbuffered PC3200 400 MHz-compliant
■
2.5 volt DDR-SDRAM DIMMs.
The DDR-SDRAM DIMMs must also:
■
support CAS latency 3 (CL = 3)
■
contain the mandatory JEDEC SPD information
In addition, the computer supports:
■
128Mbit, 256Mbit, 512Mbit, and 1Gbit non-ECC memory technologies
■
single-sided and double-sided DIMMS
■
DIMMs constructed with x8 and x16 DDR devices; DIMMs constructed with x4 SDRAM
are not supported
✎ The system will not start if you install unsupported DIMMs.
Service Reference Guide, dx5150
361685-001
E–1
Memory
DIMM Sockets
The system will automatically operate in single channel mode or a higher-performing dual
channel mode, depending on how the DIMMs are installed.
■
In single channel mode, always populate the XMM1 socket first. If you add a second DIMM
of a different memory size than the first, install it in XMM3. Otherwise, the system will not
operate.
channel mode, the maximum operational speed is determined by the slowest DIMM in
✎ Inthesingle
system. If the system is populated with a DIMM that is 266 MHz and a second DIMM that is
333 MHz, the system will run at the slower of the two speeds.
■
In dual channel mode, all DIMMs must be identically matched. If you are populating all four
DIMM sockets, you must either use identical DIMMs in all sockets or use identical DIMM
pairs in each pair of sockets, XMM1 and XMM2 black sockets and XMM3 and XMM4 blue
sockets. Otherwise, the system will not operate.
There are four DIMM sockets on the system board, with two sockets per channel. The sockets are
labeled XMM1, XMM2, XMM3, and XMM4. Sockets XMM1 and XMM3 operate in memory
channel A. Sockets XMM2 and XMM4 operate in memory channel B.
The system board shown below may be different from the one in your computer.
E–2
Item
Description
Socket Color
1
DIMM socket XMM1, Channel A
Black
2
DIMM socket XMM2, Channel B
Black
3
DIMM socket XMM3, Channel A
Blue
4
DIMM socket XMM4, Channel B
Blue
361685-001
Service Reference Guide, dx5150
Index
4-pin power pin assignments A–7
24-pin MicroFit power pin assignments A–7
24-pin power pin assignments A–6
3.5" drive bezel, MT removal and replacement 6–6
5.25" drive bezel, MT removal and replacement
6–5
A
access panel, MT removal and replacement 6–3
access to computer, controlling 3–9
asset tracking 3–9
ATA/ATAPI (IDE) drive cable pin assignments
A–6
audible codes C–4
B
battery
disposal 5–9
MT removal and replacement 6–29
real-time clock D–2
SFF removal and replacement 7–25
beep codes C–4
blank screen D–11
bootable disk, important information 3–15
C
cable
MT removal and replacement 6–14
proper handling 5–8
SFF removal and replacement 7–16
cable layout, PATA 4–4
cable lock
MT 6–2
SFF 7–2
cable lock provision 3–15
cable management
CMT 6–7
cable pinouts
PATA data 4–3
PATA power 4–3
SATA data 4–1
SATA power 4–2
Service Reference Guide, dx5150
categories, Diagnostics for Windows 2–10
cautions
AC power 5–1
adding devices 1–1
batteries 5–9
cables 5–8
cooling fan 5–7
keyboard cleaning 5–6
keyboard keys 5–6
operating system installation 1–1
protecting ROM 3–4
changing operating systems, important information
3–9
chassis fan
MT removal and replacement 6–20
SFF removal and replacement 7–24
chassis types, illustrated 5–1
cleaning
computer 5–6
keyboard 5–6
monitor 5–6
mouse 5–7
cloning tools, software 3–1
CMT
cable management 6–7
computer
cleaning 5–6
computer pauses D–2
Configuration Record Utility 2–13
configuring power button 3–8
connector pin assignments A–1 to A–7
controlling access to computer 3–9
country-specific power cord set requirements B–2
customizing software 3–1
D
date and time display D–2
deployment tools, software 3–1
device drivers
installing/upgrading 1–1
361685-001
Index–1
Index
Diagnostics for Windows
categories 2–10
detecting 2–9
installing 2–9
Menu Bar 2–11
overview 2–9
running tests 2–12
DIMMs E–1
disassembly preparation
MT 6–1
SFF 7–1
disconnecting
MT diskette drive cable 6–15
MT hard drive cable 6–15
MT optical drive cable 6–14
disk, cloning 3–1
diskette drive bezel
MT removal and replacement 6–6
SFF removal and replacement 7–6
diskette drive cable
MT connecting 6–18
MT disconnecting 6–15
drive
capacities 4–6
MT removal and replacement 6–14
partition size 4–6
drive bezel
SFF removal and replacement 7–6
drive positions
MT 6–13
SFF 7–10
dual-state power button 3–8
E
electrostatic discharge. See ESD
entering
power-on password 3–12
error codes C–1
ESD (electrostatic discharge)
information 5–2
materials and equipment 5–4
preventing damage 5–3
Ethernet
AUI pin assignments A–2
BNC pin assignments A–1
RJ-45 pin assignments A–2
expansion card
MT removal and replacement 6–11
SFF removal and replacement 7–9
expansion slot cover
Index–2
MT removal and replacement 6–10
SFF removal and replacement 7–8
external 3.5-inch drive
SFF removal and replacement 7–17
external security
MT 6–2
SFF 7–2
F
fan
MT chassis removal and replacement 6–20
power supply 5–7
ST chassis 7–24
FAT or FAT32 to NTFS conversion 1–2
flashing LEDs C–4
formatting disk, important information 3–15
front bezel
MT removal and replacement 6–4
SFF removal and replacement 7–5
front I/O devices
MT removal and replacement 6–22
SFF removal and replacement 7–21
front I/O panel
MT removal and replacement 6–21
G
grounding methods 5–3
H
hard drive
proper handling 5–8
SFF removal and replacement 7–19
hard drive cable
MT disconnecting 6–15
MT connecting 6–19
headphone pin assignments A–3
heatsink
MT removal and replacement 6–26
MT removaland replacement 6–25
SFF removal and replacement 7–28
HP Client Manager 3–2
HP software. See software
I
infrared (IR) transceiver, external, pin assignments
A–5
initial configuration 3–1
installing Diagnostics for Windows 2–9
Internet addresses, See Web sites
invalid system ROM 3–5
IR transceiver. See infrared (IR) transceiver
361685-001
Service Reference Guide, dx5150
Index
K
keyboard
cleaning 5–6
pin assignments A–1
L
LEDs
blinking power C–4
blinking PS/2 keyboard C–4
line-in audio pin assignments A–3
line-out audio pin assignments A–4
M
Master Boot Record Security, setting 3–13
memory
dual channel mode E–2
locating sockets E–2
MT removal and replacement 6–9
SFF removal and replacement 7–7
specifications E–1
menu bar, Diagnostics for Windows 2–11
microphone pin assignments A–3
µT
chassis, illustrated 5–1
MT
3.5" drive bezel removal and replacement 6–6
5.25" drive bezel removal and replacement 6–5
access panel removal and replacement 6–3
battery removal and replacement 6–29
cable lock 6–2
chassis fan removal and replacement 6–20
disassembly preparation 6–1
diskette drive bezel removal and replacement
6–6
diskette drive cable, connecting 6–18
diskette drive cable, disconnecting 6–15
drive positions 6–13
drive removal and replacement 6–14
expansion card removal and replacement 6–11
expansion slot cover 6–10
external security 6–2
front bezel removal and replacement 6–4
front I/O devices removal and replacement 6–22
front I/O panel removal and replacement 6–21
hard drive cable, connecting 6–19
hard drive cable disconnecting 6–15
heatsink removal and replacement 6–26
memory removal and replacement 6–9
optical drive cable, connecting 6–18
optical drive cable, disconnecting 6–14
padlock 6–2
Service Reference Guide, dx5150
PCI expansion card removal and replacement
6–11
power supply removal and replacement 6–34
power switch assembly removal and
replacement 6–23
preparation for disassembly 6–1
processor removal and replacement 6–26
speaker removal and replacement 6–33
system board removal and replacement 6–27,
7–30
monitor
blank screen D–11
blurry video D–12
checking connections D–1
cleaning 5–6
dim characters D–12
pin assignments A–5
mouse
cleaning 5–7
pin assignments A–1
MT
heatsink removal and replacement 6–25
N
numeric codes C–2
O
operating systems, important information about
3–9
optical drive
connecting SFF cables 7–16
SFF removal and replacement 7–14
optical drive cable
MT connecting 6–18
MT disconnecting 6–14
overheating, prevention 5–5
P
padlock
MT 6–2
SFF 7–3
parallel interface pin assignments A–2
partitioning disk, important information 3–15
password
power-on 2–1, 3–12
password security 3–11
PATA
cable layout 4–4
data cable pinouts 4–3
power cable pinouts 4–3
361685-001
Index–3
Index
PCI expansion card
MT removal and replacement 6–11
PCI Express pin assignments A–8
POST
enabling error messages C–1
POST (Power-On Self-Test) 2–1
power button
configuring 3–8
dual-state 3–8
power cord set requirements
country specific B–2
general B–1
power supply
fan 5–7
MT removal and replacement 6–34
SFF removal and replacement 7–32
power supply, surge-tolerant 3–15
power switch assembly
MT removal and replacement 6–23
SFF removal and replacement 7–22
power-on password 2–1
entering 3–12
Power-On Self-Test (POST) 2–1
Preboot Execution Environment (PXE) 3–2
preinstalled software image 3–1
primary hard drive, SFF removal and relacement
7–19
problems
software D–27
problems, solving
audio D–14
CD-ROM and DVD D–24
diskette D–6
display D–11
drive key D–25
hard drive D–8
installing hardware D–18
Internet access D–26
keyboard D–17
memory D–22
network D–20
optical drives D–24
power supply D–5
printer D–16
processor
MT removal and replacement 6–26
Index–4
SFF removal and replacement 7–29
protecting
ROM, caution 3–4
software 2–14
PXE (Preboot Execution Environment) 3–2
Q
Quick Power-On Self Test C–1
R
recovering system 3–5
recovery, software 3–1
Remote Diagnostics Enabling Agent 2–14
Remote ROM Flash 3–4
remote setup 3–2
Remote System Installation, accessing 3–2
removal and replacement
MT 3.5" drive bezel 6–6
MT 5.25" drive bezel 6–5
MT access panel 6–3
MT battery 6–29
MT cable lock 6–2
MT chassis fan 6–20
MT diskette drive bezel 6–6
MT drive 6–14
MT expansion card 6–11
MT front bezel 6–4
MT front I/O devices 6–22
MT front I/O panel 6–21
MT heatsink 6–26
MT memory 6–9
MT padlock 6–2
MT PCI expansion card 6–11
MT power supply 6–34
MT power switch assembly 6–23
MT processor 6–25
MT speaker 6–33
MT system board 6–27, 7–30
SFF battery 7–25
SFF cable lock 7–2
SFF chassis fan 7–24
SFF diskette drive bezel 7–6
SFF expansion slot cover 7–8
SFF external 3.5-inch drive 7–17
SFF front bezel 7–5
SFF front drive bezel 7–6
SFF front I/O devices 7–21
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Service Reference Guide, dx5150
Index
SFF memory 7–7
SFF optical drive 7–14
SFF padlock 7–3
SFF power supply 7–32
SFF power switch assembly 7–22
SFF primary hard drive 7–19
SFF processor 7–29
SFF speaker 7–23
required tools and software 5–7
restoring software 2–14
ROM, invalid 3–5
running tests,Diagnostics for Windows 2–12
S
safety precautions, cleaning 5–5
SATA
data cable pinouts 4–1
power cable pinouts 4–2
SATA pin assignments A–7
screws, correct size 5–7
SCSI pin assignments A–4
security
MT 6–2
SFF 7–2
security settings, setup of 3–9
security, master boot record 3–13
serial interface pin assignments A–3
service considerations 5–7
setup
software 1–3
windows 1–1
setup, initial 3–1
SFF
battery removal and replacement 7–25
cable lock 7–2
chassis fan removal and replacement 7–24
disassembly preparation 7–1
diskette drive bezel removal and replacement
7–6
drive positions 7–10
expansion slot cover removal and replacement
7–8
external 3.5-inch drive removal and replacement
7–17
external security 7–2
front bezel removal and replacement 7–5
front drive bezel removal and replacement 7–6
front I/O devices removal and replacement 7–21
Service Reference Guide, dx5150
heatsink removal and replacement 7–28
memory removal and replacement 7–7
optical drive removal and replacement 7–14
padlock 7–3
power supply removal and replacement 7–32
power switch assembly removal and
replacement 7–22
preparation for disassembly 7–1
processor removal and replacement 7–29
speaker removal and replacement 7–23
software
asset tracking 3–9
Computer Setup Utilities 2–1
integration 3–1
Master Boot Record Security 3–13
protecting 2–14
recovery 3–1
Remote ROM Flash 3–4
Remote System Installation 3–2
required 5–7
restoring 2–14
setup 1–3
System Software Manager 3–3
updating multiple machines 3–3
software problems D–27
spare part number
screwdriver, Torx T-15 5–7
wrench, tamper-resistant 5–7
speaker
MT removal and replacement 6–33
SFF removal and replacement 7–23
SSM (System Software Manager) 3–3
static electricity 5–3
surge-tolerant power supply 3–15
system board
MT removal and replacement 6–27, 7–30
system recovery 3–5
System Software Manager (SSM) 3–3
T
temperature control 5–5
tools, required 5–7
U
Ultra SCSI pin assignments A–4
URLs (Web sites). See Web sites
USB pin assignments A–3
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Index–5
Index
V
ventilation, proper 5–5
W
Wake-on-LAN feature D–20
warnings, battery 5–9
Web sites
HP 1–1, 1–3
HP Client Manager Software 3–2
HPQ Flash 3–5
Index–6
PC Deployment 3–1
Remote ROM Flash 3–4
ROM Flash 3–4
ROMPaq images 3–4
support software 3–9
support software CD subscription 1–1
System Software Manager 3–3
World Wide Web addresses. See Web sites
wrench, tamper-resistant 5–7
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Service Reference Guide, dx5150