Contents. HP Compaq nx8420 Notebook PC, Compaq nc8430 Notebook PC, Compaq nw8440 Mobile Workstation, Compaq nw8440 Base Model Mobile Workstation, nw8440, Compaq nw8440
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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
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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
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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
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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