Compaq Evo N600c Manuale

Maintenance and Service Guide

Compaq Evo N600c

Document Part Number: 235393-001

August 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.

Compaq, Evo, the Compaq logo, and Premier•Sound are trademarks of Compaq

Information Technologies Group, L.P.

Microsoft and Windows are trademarks of Microsoft Corporation.

Intel and Pentium 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 August 2001

Document Part Number: 235393-001

Maintenance and Service Guide iii

Contents

1Product Description

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

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

2Troubleshooting

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

2.1 Initial Troubleshooting . . . . . . . . . . . . . . . . . . . 2–11

2.2 No Power, Part 1 . . . . . . . . . . . . . . . . . . . . . . . . 2–12

2.3 No Power, Part 2 . . . . . . . . . . . . . . . . . . . . . . . . 2–13

2.4 No Power, Part 3 . . . . . . . . . . . . . . . . . . . . . . . . 2–14

2.5 No Power, Part 4 . . . . . . . . . . . . . . . . . . . . . . . . 2–15

2.6 No Video, Part 1 . . . . . . . . . . . . . . . . . . . . . . . . 2–16

2.7 No Video, Part 2 . . . . . . . . . . . . . . . . . . . . . . . . 2–17

iv Maintenance and Service Guide

2.8 Nonfunctioning Docking Station

(if applicable). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–18

2.9 No Operating System (OS) Loading . . . . . . . . . 2–19

2.10 No OS Loading from Hard Drive, Part 1. . . . . 2–20

2.11 No OS Loading from Hard Drive, Part 2. . . . . 2–21

2.12 No OS Loading from Hard Drive, Part 3. . . . . 2–22

2.13 No OS Loading from Diskette Drive. . . . . . . . 2–23

2.14 No OS Loading from CD- or

DVD-ROM Drive . . . . . . . . . . . . . . . . . . . . . . . . . . 2–24

2.15 No Audio, Part 1 . . . . . . . . . . . . . . . . . . . . . . . 2–25

2.16 No Audio, Part 2 . . . . . . . . . . . . . . . . . . . . . . . 2–26

2.17 Nonfunctioning Device . . . . . . . . . . . . . . . . . . 2–27

2.18 Nonfunctioning Keyboard . . . . . . . . . . . . . . . . 2–28

2.19 Nonfunctioning Pointing Device. . . . . . . . . . . 2–29

2.20 Network or Modem Connection Problems . . . 2–30

3Illustrated Parts Catalog

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

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

3.3 Miscellaneous Plastics Kit Components . . . . . . . . . . 3–8

3.4 Mass Storage Devices . . . . . . . . . . . . . . . . . . . . . . . . 3–9

3.5 Miscellaneous . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–12

4Removal and Replacement Preliminaries

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

4.2 Service Considerations . . . . . . . . . . . . . . . . . . . . . . . 4–1

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

Maintenance and Service Guide v

5Removal 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 Computer Feet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–5

5.4 Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–6

5.5 Modem/Network Interface Card (NIC). . . . . . . . . . 5–10

5.6 Real Time Clock (RTC) Battery . . . . . . . . . . . . . . . 5–12

5.7 TouchPad or Touch Button . . . . . . . . . . . . . . . . . . . 5–13

5.8 Switch Cover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–15

5.9 Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–17

5.10 Top Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–20

5.11 System Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–23

5.12 Fan. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–27

5.13 DC-DC Converter Board. . . . . . . . . . . . . . . . . . . . 5–30

5.15 Modem Cable. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–33

6Specifications

AConnector Pin Assignments

BPower Cord Set Requirements

3-Conductor Power Cord Set . . . . . . . . . . . . . . . . . . . . . . B–1

General Requirements . . . . . . . . . . . . . . . . . . . . . . . . B–1

Country-Specific Requirements . . . . . . . . . . . . . . . . . . . . B–2

Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B–2

CScrew Listing

Index

Maintenance and Service Guide 1–1

Product Description

The Compaq Evo N600c Series of Personal Computers offers

advanced modularity, Mobile Intel Pentium III processors-M with

64-bit architecture, industry-leading Accelerated Graphics Port

(AGP) implementation, and extensive multimedia support.

Figure 1-1. Compaq Evo N600c

1.1 Features

■Mobile Intel Pentium III processor 1.066 GHz-M or

866MHz-M, with 512-KB integrated L2 cache, varying by

computer model

1–2Maintenance and Service Guide

Product Description

■ATI Mobility Radeon with 64-bit video graphics,

16-MB double date rate (DDR) SDRAM, 4X AGP

graphics card

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

expandable to 1024 MB

■Microsoft Windows 98, Windows NT 4.0, or Windows 2000

preinstalled, varying by computer model

■14.1-inch, XGA, TFT (1024 ×768) display, with over

16.7 million colors

■Full-size TouchPad or pointing stick keyboard, varying by

computer model

■Mini PCI 10/100 network interface card (NIC) or Mini PCI

V.90 modem plus 10/100 NIC combination card, varying by

computer model

■Support for two Type II PC Card slots with support for both

32-bit CardBus and 16-bit PC Cards

■External AC adapter with power cord

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

■30-, 20-, or 15-GB high-capacity hard drive

Product Description

Maintenance and Service Guide 1–3

■Connectors for:

❏RJ-11 modem

❏Mono microphone

❏Stereo line-out/headphone

❏MultiPort

❏Universal Serial Bus

❏Docking

❏Parallel devices

❏Serial devices

❏Composite TV

❏External keyboard/mouse

❏RJ-45 network

❏External monitor

❏AC power

■Stereo speakers providing Compaq Premier·Sound™ 16-bit

stereo sound

1–4Maintenance 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 5.7, “Real Time

Clock (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.

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:

■Standby

■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

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