Contents. HP nx8420, nc8430, nw8440

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Contents. HP nx8420, nc8430, nw8440 | Manualzz

Contents

1 Product Description

1.1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–2

1.2 Resetting the Computer. . . . . . . . . . . . . . . . . . . . . . . 1–4

1.3 Power Management. . . . . . . . . . . . . . . . . . . . . . . . . . 1–5

1.4 External Components . . . . . . . . . . . . . . . . . . . . . . . . 1–6

1.5 Design Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . 1–20

2 Troubleshooting

2.1 Computer Setup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–1

Using Computer Setup . . . . . . . . . . . . . . . . . . . . . . . 2–1

Selecting from the File Menu . . . . . . . . . . . . . . . . . . 2–2

Selecting from the Security Menu . . . . . . . . . . . . . . 2–3

Selecting from the Advanced Menu . . . . . . . . . . . . . 2–4

Selecting from the Tools Menu. . . . . . . . . . . . . . . . . 2–4

2.2 Troubleshooting Flowcharts . . . . . . . . . . . . . . . . . . . 2–5

Maintenance and Service Guide iii

Contents

3 Illustrated Parts Catalog

3.1 Serial Number Location . . . . . . . . . . . . . . . . . . . . . . 3–1

3.2 Computer Major Components. . . . . . . . . . . . . . . . . . 3–2

3.3 Plastics Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–16

3.4 Mass Storage Devices . . . . . . . . . . . . . . . . . . . . . . . 3–18

3.5 Miscellaneous (Not Illustrated). . . . . . . . . . . . . . . . 3–20

3.6 Sequential Part Number Listing . . . . . . . . . . . . . . . 3–22

4 Removal and Replacement Preliminaries

4.1 Tools Required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–1

4.2 Service Considerations . . . . . . . . . . . . . . . . . . . . . . . 4–2

Plastic Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–2

Cables and Connectors . . . . . . . . . . . . . . . . . . . . . . . 4–2

4.3 Preventing Damage to Removable Drives . . . . . . . . 4–3

4.4 Preventing Electrostatic Damage . . . . . . . . . . . . . . . 4–4

4.5 Packaging and Transporting Precautions . . . . . . . . . 4–5

4.6 Workstation Precautions . . . . . . . . . . . . . . . . . . . . . . 4–6

4.7 Grounding Equipment and Methods . . . . . . . . . . . . . 4–7

iv Maintenance and Service Guide

Contents

5 Removal and Replacement Procedures

5.1 Serial Number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–2

5.2 Disassembly Sequence Chart . . . . . . . . . . . . . . . . . . 5–3

5.3 Preparing the Computer for Disassembly . . . . . . . . . 5–5

5.4 Hard Drive. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–6

5.5 Computer Feet. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–10

5.6 Optical Drive. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–11

5.7 External Memory Module . . . . . . . . . . . . . . . . . . . . 5–13

5.8 Bluetooth Module . . . . . . . . . . . . . . . . . . . . . . . . . . 5–16

5.9 Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–18

5.10 Fan Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–23

5.11 Heat Sink. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–28

5.12 Processor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–31

5.13 Internal Memory Module . . . . . . . . . . . . . . . . . . . 5–33

5.14 RTC Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–35

5.15 TouchPad. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–36

5.16 Mini Card Module. . . . . . . . . . . . . . . . . . . . . . . . . 5–39

5.17 Switch Cover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–42

5.18 Display Assembly . . . . . . . . . . . . . . . . . . . . . . . . . 5–45

5.19 Top Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–49

5.20 Modem Module. . . . . . . . . . . . . . . . . . . . . . . . . . . 5–53

5.21 System Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–55

5.22 System Board Frame . . . . . . . . . . . . . . . . . . . . . . . 5–62

5.23 Serial Connector Module . . . . . . . . . . . . . . . . . . . 5–65

5.24 USB/Audio Board . . . . . . . . . . . . . . . . . . . . . . . . . 5–67

Maintenance and Service Guide v

Contents

6 Specifications

A Screw Listing

B Software Backup and Recovery

C Display Component Recycling

D Connector Pin Assignments

E Power Cord Set Requirements

Index

vi Maintenance and Service Guide

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Key Features

  • Intel® Core™2 Duo T7600 2.33 GHz
  • 39.1 cm (15.4") 1920 x 1200 pixels 16:10
  • 2 GB DDR2-SDRAM
  • 100 GB
  • AMD Mobility FireGL V5200
  • Bluetooth 2.0+EDR
  • Windows XP Professional

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