Compaq Notebook Evo N160 Series.pdf

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Maintenance and Service Guide
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Maintenance and Service Guide
Compaq Notebook Evo N160 Series
Document Part Number: 260552-001
October 2001
This guide is a troubleshooting reference used for maintaining
and servicing the notebook. It provides comprehensive
information on identifying computer features, components, and
spare parts, troubleshooting computer problems, and performing
computer disassembly procedures.
© 2001 Compaq Computer Corporation
Compaq, Evo, and the Compaq logo are trademarks of Compaq Information
Technologies Group, L.P.
Microsoft and Windows are trademarks of Microsoft Corporation.
Intel, Pentium, and Celeron are trademarks of Intel Corporation.
All other product names mentioned herein may be trademarks of their respective
companies.
Compaq shall not be liable for technical or editorial errors or omissions
contained herein. The information in this document is provided “as is” without
warranty of any kind and is subject to change without notice. the warranties for
Compaq products are set forth in the express limited warranty statements
accompanying such products. Nothing herein should be construed as
constituting an additional warranty.
Maintenance and Service Guide
First Edition October 2001
Document Part Number: 260552-001
Contents
1 Product Description
Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–2
1.1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–8
1.2 Clearing a Password . . . . . . . . . . . . . . . . . . . . . . . . . 1–10
1.3 Power Management . . . . . . . . . . . . . . . . . . . . . . . . . 1–11
1.4 Computer External Components . . . . . . . . . . . . . . . 1–12
1.5 Design Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–22
2 Troubleshooting
Using the PhoenixBIOS Setup Utility . . . . . . . . . . . . . . . 2–1
Troubleshooting Flowcharts. . . . . . . . . . . . . . . . . . . . . . . 2–2
Initial Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . 2–3
2.2 No Power, Part 1 . . . . . . . . . . . . . . . . . . . . . . . . . 2–4
2.3 No Power, Part 2 . . . . . . . . . . . . . . . . . . . . . . . . . 2–5
2.4 No Power, Part 3 . . . . . . . . . . . . . . . . . . . . . . . . . 2–6
2.5 No Power, Part 4 . . . . . . . . . . . . . . . . . . . . . . . . . 2–7
2.6 No Video, Part 1 . . . . . . . . . . . . . . . . . . . . . . . . . 2–8
2.7 No Video, Part 2 . . . . . . . . . . . . . . . . . . . . . . . . . 2–9
2.8 Nonfunctioning Docking Station
(if applicable). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–10
2.9 No Operating System (OS) Loading . . . . . . . . . 2–11
2.10 No OS Loading from Hard Drive, Part 1. . . . . 2–12
2.11 No OS Loading from Hard Drive, Part 2. . . . . 2–13
2.12 No OS Loading from Hard Drive, Part 3. . . . . 2–14
2.13 No OS Loading from Diskette Drive. . . . . . . . 2–15
2.14 No OS Loading from CD- or
DVD-ROM Drive . . . . . . . . . . . . . . . . . . . . . . . . . . 2–16
2.15 No Audio, Part 1 . . . . . . . . . . . . . . . . . . . . . . . 2–17
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2.16 No Audio, Part 2 . . . . . . . . . . . . . . . . . . . . . . . 2–18
2.17 Nonfunctioning Device . . . . . . . . . . . . . . . . . . 2–19
2.18 Nonfunctioning Keyboard . . . . . . . . . . . . . . . . 2–20
2.19 Nonfunctioning Pointing Device . . . . . . . . . . . 2–21
2.20 Network or Modem Connection Problems . . . 2–22
3 Illustrated Parts Catalog
3.1 Serial Number Location . . . . . . . . . . . . . . . . . . . . . . . 3–1
3.2 Computer System Major Components . . . . . . . . . . . . 3–2
3.3 Plastics and Hardware Kit Components. . . . . . . . . . . 3–8
3.4 Mass Storage Devices . . . . . . . . . . . . . . . . . . . . . . . . 3–9
3.5 Miscellaneous. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–10
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 . . . . . . . . . . 4–4
4.6 Workstation Precautions . . . . . . . . . . . . . . . . . . . . . . 4–5
4.7 Grounding Equipment and Methods . . . . . . . . . . . . . 4–6
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 . . . . . . . . . 5–4
5.4 Memory Expansion Board . . . . . . . . . . . . . . . . . . . . . 5–8
5.5 Computer Feet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–10
5.6 Switch Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–11
5.7 Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–13
5.8 Fan Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–16
5.9 Processor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–18
5.10 Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–20
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5.11 Top Cover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–24
5.12 Speaker Assembly . . . . . . . . . . . . . . . . . . . . . . . . . 5–28
5.13 Disk Cell RTC Battery . . . . . . . . . . . . . . . . . . . . . . 5–30
5.14 Mini PCI Communications Board . . . . . . . . . . . . . 5–31
5.15 Sub I/O Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–33
5.16 System Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–36
6 Specifications
A Connector Pin Assignments
B Power Cord Set Requirements
3-Conductor Power Cord Set . . . . . . . . . . . . . . . . . . . . . . B–1
General Requirements . . . . . . . . . . . . . . . . . . . . . . . . B–1
Country-Specific Requirements . . . . . . . . . . . . . . . . . . . . B–2
Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B–2
Screw Listing
Index
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