Compaq Evo Notebook N800c Manuel

Maintenance and Service Guide

Compaq Evo Notebook N800c Series

Compaq Evo Notebook N800v Series

Compaq Evo Notebook N800w Series

Compaq Presario 2800 Mobile PC

Document Part Number: 268135-002

October 2002

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.

268135-002.book Page 1 Thursday, October 24, 2002 4:10 PM

Compaq, the Compaq logo, Evo, and Presario are trademarks of Compaq

Information Technologies Group, L.P. in the U.S. and/or other countries.

Microsoft and Windows are trademarks of Microsoft Corporation in the U.S.

and/or other countries. Intel, Pentium, and SpeedStep are trademarks of the

Intel Corporation in the U.S. and/or other countries. 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

Second Edition October 2002

First Edition April 2002

Document Part Number: 268135-002

268135-002.book Page 2 Thursday, October 24, 2002 4:10 PM

Maintenance and Service Guide iii

Contents

1 Product Description

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

1.2 Clearing a Password. . . . . . . . . . . . . . . . . . . . . . . . . . 1–4

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

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

1.5 Design Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–16

2 Troubleshooting

2.1 Computer Setup and Diagnostics Utilities . . . . . . . . . 2–1

Selecting Computer Setup or Compaq Diagnostics . 2–1

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

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

Selecting from the Advanced Menu . . . . . . . . . . . . . 2–5

2.2 Using Compaq Diagnostics . . . . . . . . . . . . . . . . . . . . 2–7

Obtaining, Saving, or Printing

Configuration Information. . . . . . . . . . . . . . . . . . . . . 2–7

Obtaining, Saving, or Printing Diagnostic

Test Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–8

2.3 Troubleshooting Flowcharts. . . . . . . . . . . . . . . . . . . 2–10

3 Illustrated Parts Catalog

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

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

3.3 Miscellaneous Plastics/Hardware Kit Components . 3–14

3.4 Mass Storage Devices . . . . . . . . . . . . . . . . . . . . . . . 3–16

3.5 Miscellaneous. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–18

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iv Maintenance and Service Guide

Contents

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 . . . . . . . . . . . . . . . . . . . 5–2

5.3 Preparing the Computer for Disassembly . . . . . . . . . 5–4

5.4 Computer Feet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–9

5.5 Memory Expansion Board . . . . . . . . . . . . . . . . . . . . . 5–9

5.6 Mini PCI Communications Board . . . . . . . . . . . . . . 5–12

5.7 Connector Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–15

5.8 LED Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–16

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

5.10 Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–22

5.11 Top Cover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–26

5.12 Speaker Assembly . . . . . . . . . . . . . . . . . . . . . . . . . 5–31

5.13 Display Release Assembly. . . . . . . . . . . . . . . . . . . 5–33

5.14 TouchPad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–35

5.15 Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–38

5.16 Processor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–40

5.17 Disk Cell RTC Battery. . . . . . . . . . . . . . . . . . . . . . 5–42

5.18 System Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–44

5.19 Modem Cable. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–49

268135-002.book Page iv Thursday, October 24, 2002 4:10 PM

Contents

Maintenance and Service Guide v

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–3

C Screw Listing

Index

268135-002.book Page v Thursday, October 24, 2002 4:10 PM

Maintenance and Service Guide 1–1

Product Description

The Compaq Presario 2800 Series Mobile PC and Evo Notebook

N800 Series offer advanced modularity, Intel Mobile Pentium 4

processors with SpeedStep technology with 64-bit architecture,

industry-leading Accelerated Graphics Port (AGP)

implementation, and extensive multimedia support.

Figure 1-1. Compaq Presario 2800 and Evo Notebook N800

268135-002.book Page 1 Thursday, October 24, 2002 4:10 PM

1–2 Maintenance and Service Guide

Product Description

1.1 Features

■2.2-, 2.0-, 1.9-, 1.8-, 1.7-, 1.6-, 1.5-, or 1.4-GHz Intel Mobile

Pentium 4 processor with SpeedStep technology, with

256-KB integrated L2 cache, varying by computer model

■ATI Mobile Radeon 9000 or ATI P7 graphics controller with

32 to 64 MB of shared SDRAM and 4X AGP graphics card,

varying by computer model

■128-MB high-performance Synchronous DRAM (SDRAM),

expandable to 1.0 GB

■Microsoft Windows 2000, Windows XP Home, or

Windows XP Professional, varying by computer model

■15.0-inch UXGA (1600 × 1200), SXGA+ (1400 × 1050), or

XGA (1024 × 768), or 14.1-inch XGA (1024 × 768),

TFT display with over 16.7 million colors, varying by

computer model

■Full-size Windows 98 keyboard with:

❏TouchPad pointing device (Presario 2800 and

Evo Notebook N800c models)

❏TouchPad and point stick (Evo Notebook N800c

models only)

■Network interface card (NIC) integrated on the system board,

with a mini PCI V.92 modem

■Integrated wireless support of 802.11b and Bluetooth devices

through MultiPort

■Support for one Type I or II PC Card slot with support for

both 32-bit CardBus and 16-bit PC Cards

■External 65 W AC adapter with power cord

■8-cell lithium ion (Li ion) battery pack

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Product Description

Maintenance and Service Guide 1–3

■60-, 40-, 30-, or 20-GB high-capacity hard drive, varying by

computer model

■Support for the following drives through the MultiBay:

❏1.44-MB diskette drive

❏24X Max CD-ROM drive

❏8X Max CD-RW drive

❏8X Max DVD-ROM drive

❏8X Max DVD-CDRW combination drive

❏40- or 30-GB hard drive

❏LS-120 drive

❏8-cell battery pack

■Connectors for:

❏RJ-45 network

❏RJ-11 modem

❏Universal Serial Bus

❏Parallel devices

❏External monitor

❏AC power

❏Stereo line out/headphone

❏Mono microphone

❏S-video

❏Port replicator

❏Infrared

■JBL Pro stereo speakers with bass reflex

■Dolby Digital certified sound

268135-002.book Page 3 Thursday, October 24, 2002 4:10 PM

1–4 Maintenance and Service Guide

Product Description

1.2 Clearing a Password

If the notebook you are servicing has an unknown password,

follow these steps to clear the password. These steps also

clear CMOS:

1. Prepare the computer for disassembly (refer to Section 5.3,

“Preparing the Computer for Disassembly,” for more

information).

2. Remove the RTC battery (refer to Section 5.17, “Disk Cell

RTC Battery”).

3. Wait approximately five minutes.

4. Replace the RTC battery and reassemble the computer.

5. Connect AC power to the computer. Do not reinsert any

battery packs at this time.

6. Turn on the computer.

All passwords and all CMOS settings have been cleared.

268135-002.book Page 4 Thursday, October 24, 2002 4:10 PM

Product Description

Maintenance and Service Guide 1–5

1.3 Power Management

The computer comes with power management features that

extend battery operating time and conserve power. The computer

supports the following power management features:

■Suspend

■Hibernation

■Setting customization by the user

■Hotkeys for setting level of performance

■Smart battery that provides an accurate battery power gauge

■Battery calibration

■Lid switch Suspend/resume

■Power/Suspend button

■Advanced Configuration and Power Management (ACP)

compliance

268135-002.book Page 5 Thursday, October 24, 2002 4:10 PM

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