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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.

© 2001 Compaq Computer Corporation 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

Contents
1 Product Description
1.1 1.2 1.3 1.4 1.5 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1­1 Clearing a Password . . . . . . . . . . . . . . . . . . . . . . . . . 1­4 Power Management. . . . . . . . . . . . . . . . . . . . . . . . . . 1­5 Computer External Components . . . . . . . . . . . . . . . . 1­6 Design Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . 1­16

2 Troubleshooting
2.1 Computer Setup and Diagnostics Utilities . . . . . . . . 2­1 Selecting Computer Setup or Compaq Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . 2­1 Selecting from the File Menu . . . . . . . . . . . . . . . . . . 2­3 Selecting from the Security Menu . . . . . . . . . . . . . . . 2­4 Selecting from the Advanced Menu . . . . . . . . . . . . . 2­5 2.2 Using Compaq Diagnostics. . . . . . . . . . . . . . . . . . . . 2­7 Obtaining, Saving, or Printing Configuration Information. . . . . . . . . . . . . . . . . . . . . 2­7 Obtaining, Saving, or Printing Diagnostic Test Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2­8 2.3 Troubleshooting Flowcharts . . . . . . . . . . . . . . . . . . 2­10 2.1 Initial Troubleshooting . . . . . . . . . . . . . . . . . . . 2­11 2.2 No Power, Part 1 . . . . . . . . . . . . . . . . . . . . . . . . 2­12 2.3 No Power, Part 2 . . . . . . . . . . . . . . . . . . . . . . . . 2­13 2.4 No Power, Part 3 . . . . . . . . . . . . . . . . . . . . . . . . 2­14 2.5 No Power, Part 4 . . . . . . . . . . . . . . . . . . . . . . . . 2­15 2.6 No Video, Part 1 . . . . . . . . . . . . . . . . . . . . . . . . 2­16 2.7 No Video, Part 2 . . . . . . . . . . . . . . . . . . . . . . . . 2­17

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2.8 Nonfunctioning Docking Station (if applicable). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.9 No Operating System (OS) Loading . . . . . . . . . 2.10 No OS Loading from Hard Drive, Part 1. . . . . 2.11 No OS Loading from Hard Drive, Part 2. . . . . 2.12 No OS Loading from Hard Drive, Part 3. . . . . 2.13 No OS Loading from Diskette Drive. . . . . . . . 2.14 No OS Loading from CD- or DVD-ROM Drive . . . . . . . . . . . . . . . . . . . . . . . . . . 2.15 No Audio, Part 1 . . . . . . . . . . . . . . . . . . . . . . . 2.16 No Audio, Part 2 . . . . . . . . . . . . . . . . . . . . . . . 2.17 Nonfunctioning Device . . . . . . . . . . . . . . . . . . 2.18 Nonfunctioning Keyboard . . . . . . . . . . . . . . . . 2.19 Nonfunctioning Pointing Device . . . . . . . . . . . 2.20 Network or Modem Connection Problems . . .

2­18 2­19 2­20 2­21 2­22 2­23 2­24 2­25 2­26 2­27 2­28 2­29 2­30

3 Illustrated Parts Catalog
3.1 3.2 3.3 3.4 3.5 Serial Number Location . . . . . . . . . . . . . . . . . . . . . . 3­1 Computer System Major Components . . . . . . . . . . . 3­2 Miscellaneous Plastics Kit Components . . . . . . . . . . 3­8 Mass Storage Devices . . . . . . . . . . . . . . . . . . . . . . . . 3­9 Miscellaneous . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3­12

4 Removal and Replacement Preliminaries
4.1 Tools Required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.2 Service Considerations . . . . . . . . . . . . . . . . . . . . . . . Plastic Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Cables and Connectors . . . . . . . . . . . . . . . . . . . . . . . 4.3 Preventing Damage to Removable Drives . . . . . . . . 4.4 Preventing Electrostatic Damage . . . . . . . . . . . . . . . 4.5 Packaging and Transporting Precautions . . . . . . . . . 4.6 Workstation Precautions . . . . . . . . . . . . . . . . . . . . . . 4.7 Grounding Equipment and Methods . . . . . . . . . . . . . 4­1 4­1 4­2 4­2 4­3 4­4 4­4 4­5 4­6

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Maintenance and Service Guide

5 Removal and Replacement Procedures
5.1 Serial Number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5­2 5.2 Disassembly Sequence Chart . . . . . . . . . . . . . . . . . . 5­3 5.3 Preparing the Computer for Disassembly . . . . . . . . . 5­4 5.4 Computer Feet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5­5 5.4 Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5­6 5.5 Modem/Network Interface Card (NIC). . . . . . . . . . 5­10 5.6 Real Time Clock (RTC) Battery . . . . . . . . . . . . . . . 5­12 5.7 TouchPad or Touch Button . . . . . . . . . . . . . . . . . . . 5­13 5.8 Switch Cover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5­15 5.9 Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5­17 5.10 Top Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5­20 5.11 System Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5­23 5.12 Fan. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5­27 5.13 DC-DC Converter Board. . . . . . . . . . . . . . . . . . . . 5­30 5.15 Modem Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5­33

6 Specifications A Connector Pin Assignments B Power Cord Set Requirements
3-Conductor Power Cord Set . . . . . . . . . . . . . . . . . . . . . . General Requirements . . . . . . . . . . . . . . . . . . . . . . . . Country-Specific Requirements . . . . . . . . . . . . . . . . . . . . Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B­1 B­1 B­2 B­2

C Screw Listing Index

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v

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
I

Mobile Intel Pentium III processor 1.066 GHz-M or 866MHz-M, with 512-KB integrated L2 cache, varying by computer model

Maintenance and Service Guide

1­1

Product Description

I

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

I I I I I

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1­2

Maintenance and Service Guide

Product Description

I

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

I

Stereo speakers providing Compaq Premier·SoundTM 16-bit stereo sound

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1­3

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.

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Maintenance and Service Guide

Product Description

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:
I I I I I I I I I

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

Maintenance and Service Guide

1­5

Product Description

1.4 Computer External Components
The external components on the front and right side of the computer are shown in Figure 1-2 and described in Table 1-2.
.

Figure 1-2. Front and Right Side Components Table 1-2 Front and Right Side Panel Components
Item 1 2 Component Display release latch RJ-11 jack (internal modem models only) MultiBay Function Opens the computer. Connects the modem cable to an internal modem. A modem cable is included with internal modem models. Accepts a diskette drive, CD- or DVD-ROM drive, or secondary battery pack.

3

1­6

Maintenance and Service Guide

Product Description

Table 1-2 Front and Right Side Panel Components (Continued)
Item 4 5 6 7 8 9 Component Security cable slot Mono microphone jack Stereo line-out/ headphone jack Volume control buttons Infrared port Power light Function Attaches an optional security cable to the computer. Connects a mono microphone, disabling the built-in microphone. Connects stereo speakers, headphones, headset, or television audio. Adjust the volume of the stereo speakers. Links to another IrDA-compliant device for wireless communication. On: Power is turned on. Blinking: Computer is in Standby. The power light also blinks if a battery pack that is the only available power source reaches a low-battery condition. On: A battery pack is charging. Blinking: A battery pack that is the only available power source has reached a low-battery condition. Turns on when the hard drive, CD-, or DVD-ROM drive is accessed. Turns on when the diskette drive in the Media Bay or the optional external diskette drive is accessed.

10

Battery light

11 12

Drive activity light Diskette drive light

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Product Description

The computer right side and rear panel components are shown in Figure 1-3 and described in Table 1-3.

Figure 1-3. Right Side and Rear Panel Components Table 1-3 Right Side and Rear Panel Components
Item 1 Component MultiPort Function Connects wireless communication devices, such as a Bluetooth or 802.11b MultiPort Module, and other options. Connects any one of the following:
I I I

2

DC power jack

AC adapter Optional automobile power adapter/charger Optional aircraft power adapter

3

Keyboard/mouse connector

Connects an external keyboard or PS/2-compatible external mouse. To connect a keyboard and a mouse at the same time, use an optional Y-adapter.

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Maintenance and Service Guide

Product Description

Table 1-3 Right Side and Rear Panel Components (Continued)
Item 4 5 Component Parallel connector Docking connector Function Connects a parallel device. Connects the computer to the optional expansion base, convenience base, or port replicator. Connects a serial device. Connects an external monitor or overhead projector. Connects a television, VCR, camcorder, or overhead projector. Connects the network cable. A network cable is not included with the computer. Connects USB devices. Allows airflow to cool internal components. To ÄCAUTION:shutsprevent ifdamage, the computer down an overheating condition occurs. Do not block the cooling vent. Avoid placing the computer on a blanket, rug, or other flexible surface that may cover the vent area. 12 Hard drive Supports the removable primary hard drive. Two screws secure the hard drive to the computer. Support a 32-bit (CardBus) or 16-bit PC Card. Eject a PC Card from a PC Card slot.

6 7 8 9 10 11

Serial connector External monitor connector Composite TV connector RJ-45 jack (network models only) USB connectors (2) Vent

13 14

PC Card slots (2) PC Card eject buttons

Maintenance and Service Guide

1­9

Product Description

The keyboard components are shown in Figure 1-4 and described in Table 1-4.

Figure 1-4. Keyboard Components

1­10

Maintenance and Service Guide

Product Description

Table 1-4 Keyboard Components
Item 1 2 3 4 5 6 Component Function Used with hotkeys to perform preset hotkey functions. Turns on the caps lock function. Perform preset functions. Converts keys to numeric keypad. Move the cursor around the screen. Displays a menu when using a Microsoft application. The menu is the same one that is displayed by pressing the right mouse button. Displays Windows Start menu.

Fn key Caps lock key F1 through F12 function keys
Embedded numeric keypad Cursor control keys Windows application key

7

Windows logo key

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1­11

Product Description

The components on the top of the computer are shown in Figure 1-5 and described in Table 1-5.

Figure 1-5. Top Components Table 1-5 Top Components
Item 1 2 Component Num lock light Scroll lock light Function On: Num lock is on and the embedded numeric keypad is enabled. On: Scroll is on.

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Maintenance and Service Guide

Product Description

Table 1-5 Top Components (Continued)
Item 3 4 Component Caps lock light Function On: Caps lock is on. Turns on the computer if it is off. Initiates and exits Standby. When pressed with the Fn key, initiates Hibernation. Produce stereo sound. Provide quick access to the Internet. Refer to the Hardware Guide that ships with the computer for information about these buttons. Turns on the computer. To turn off the computer, use the operating system Shut Down command. Moves the mouse cursor. Functions like the right mouse button on an external mouse. Can be set to scroll, magnify, or function like the third button on an external mouse. Functions like the left mouse button on an external mouse.

Standby button

5 6

Stereo speakers (2) Easy Access buttons (4)

7

Power switch

8 9 10 11

Pointing stick Right mouse button

Scroll button
Left mouse button

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1­13

Product Description

The external components on the bottom of the computer are shown in Figure 1-6 and described in Table 1-6.

Figure 1-6. Bottom Components Table 1-6 Bottom Components
Item 1 Component MultiBay Function Accepts a diskette drive, CD- or DVD-ROM drive, or secondary battery pack. Releases the MultiBay device from the connector. Allows airflow to cool internal components. Provides airflow to cool internal components.

2 3 4

MultiBay release latch Air vent Fan

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Maintenance and Service Guide

Product Description

Table 1-6 Bottom Components (Continued)
Item 5 Component Certificate of Authenticity label Function Contains the Product Key, which may need to be entered before using some Windows operating systems. Secures the hard drive. Covers the memory expansion compartment that contains two memory expansion slots for memory expansion boards. Secures the computer to an optional expansion base, convenience base, or port replicator. Releases the battery pack from the battery compartment. Holds the battery pack. Identifies the computer; needed when you call Compaq customer support.

6 7

Hard drive security screw Memory expansion compartment cover

8

Docking recess latch

9 10 11

Battery release latch Battery compartment Serial number

Maintenance and Service Guide

1­15

Product Description

1.5 Design Overview
This section presents a design overview of key parts and features of the computer. Refer to Chapter 3, "Illustrated Parts Catalog," to identify replacement parts, and Chapter 5, "Removal and Replacement Procedures," for disassembly steps. The system board provides the following device connections:
I I I I I I I I I

Memory expansion board Hard drive Display Keyboard/TouchPad or pointing stick Audio Intel Pentium III processors Fan PC Card Modem or modem/NIC

The computer uses an electrical fan for ventilation. The fan is controlled by a temperature sensor and is designed to turn on automatically when high temperature conditions exist. These conditions are affected by high external temperatures, system power consumption, power management/battery conservation configurations, battery fast charging, and software applications. Exhaust air is displaced through the ventilation grill located on the left side of the computer.

Ä

CAUTION: To properly ventilate the computer, allow at least a 3-inch (7.6 cm) clearance on the left and right sides of the computer.

1­16

Maintenance and Service Guide

2
Troubleshooting

Å

WARNING: Only authorized technicians trained by Compaq should repair this equipment. All troubleshooting and repair procedures are detailed to allow only subassembly/module level repair. Because of the complexity of the individual boards and subassemblies, no one should attempt to make repairs at the component level or to make modifications to any printed wiring board. Improper repairs can create a safety hazard. Any indication of component replacement or printed wiring board modification may void any warranty or exchange allowances.

2.1 Computer Setup and Diagnostics Utilities
Selecting Computer Setup or Compaq Diagnostics
The computer features two Compaq system management utilities:
I

Computer Setup--A system information and customization utility that can be used even when your operating system is not working or will not load. This utility includes settings that are not available in Windows. Compaq Diagnostics--A system information and diagnostic utility that is used within your Windows operating system. Use this utility whenever possible to:


I

Display system information.

Maintenance and Service Guide

2­1

Troubleshooting



Test system components. Troubleshoot a device configuration problem in Windows 98, Windows 2000, or Windows Me.

device a It is not necessary to configure a or to anthat is connected tobase. USB connector on the computer optional docking

Using Computer Setup
Information and settings in Computer Setup are accessed from the File, Security, or Advanced menus: 1. Turn on or restart the computer. Press F10 while the F10 = ROM Based Setup message is displayed in the lower-left corner of the screen.


To change the language, press F2. To view navigation information, press F1. To return to the Computer Setup menu, press esc.

2. Select the File, Security, or Advanced menu. 3. To close Computer Setup and restart the computer:


Select File > Save Changes and Exit and press enter. or Select File > Ignore Changes and Exit and press enter.

4. When you are prompted to confirm your action, press F10.

2­2

Maintenance and Service Guide

Troubleshooting

Selecting from the File Menu
Table 2-1 File Menu
Select System Information To Do This
I

View identification information about the computer, a docking base, and any battery packs in the system. View specification information about the processor, memory and cache size, and system ROM.

I

Save to Floppy Restore from Floppy Restore Defaults

Save system configuration settings to a diskette. Restore system configuration settings from a diskette. Replace configuration settings in Computer Setup with factory default settings. (Identification information is retained.) Cancel changes entered during the current session, then exit and restart the computer. Save changes entered during the current session, then exit and restart the computer.

Ignore Changes and Exit Save Changes and Exit

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2­3

Troubleshooting

Selecting from the Security Menu
Table 2-2 Security Menu
Select Setup Password To Do This Enter, change, or delete a setup password. (The setup password is called an administrator password in Compaq Computer Security, a program accessed from the Windows Control Panel.) Enter, change, or delete a power-on password. Enable/disable DriveLock; change a DriveLock User or Master password. Settings are accessible Drive Lockenter Computer Setup byonly when you turning on (not restarting) the computer. Password Options Enable/disable:
I I I

Power-on Password DriveLock Passwords

Password options can be selected
only when a power-on password has been set. Device Security

QuickLock QuickLock on Suspend QuickBlank

To enable QuickLock on Suspend or QuickBlank, you must first enable
QuickLock. Enable/disable:
I I I

Ports or diskette drives* Diskette write* CD-ROM or diskette startup

for a can Settingsin theDVD-ROMfield. be entered CD-ROM System IDs Enter identification numbers for the computer, a docking base, and all battery packs in the system.

*Not applicable to SuperDisk LS-120 drives.

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Maintenance and Service Guide

Troubleshooting

Selecting from the Advanced Menu
Table 2-3 Advanced Menu
Select Language (or press F2) Boot Options To Do This Change the Computer Setup language. Enable/disable:
I

QuickBoot, which starts the computer more quickly by eliminating some startup tests. (If you suspect a memory failure and want to test memory automatically during startup, disable QuickBoot.) MultiBoot, which sets a startup sequence that can include most bootable devices and media in the system. Enable/disable the embedded numeric keypad at startup. Enable/disable multiple standard pointing devices at startup. (To set the computer to support only a single, usually nonstandard, pointing device at startup, select Disable.) Enable/disable USB legacy support for a USB keyboard. (When USB legacy support is enabled, the keyboard works even when a Windows operating system is not loaded.) Set an optional external monitor or overhead projector connected to a video card in a docking base as the primary device. (When the computer display is set as secondary, the computer must be shut down before undocking from a docking base.)

I

Device Options

I I

I

I

Maintenance and Service Guide

2­5

Troubleshooting

Table 2-3 Advanced Menu (Continued)
Select Device Options (continued) To Do This
I

Change the parallel port mode from EPP (Enhanced Parallel Port [default]) to standard, bidirectional, or ECP (Enhanced Capabilities Port). Set video-out mode to NTSC (default), PAL, NTSC-J, or PAL-M.* Enable/disable all settings in the SpeedStep window. (When Disable is selected, the computer runs in Battery Optimized mode.) Specify how the computer recognizes multiple identical docking bases that are identically equipped. (Select Disable to recognize the docking bases as a single docking base; select Enable to recognize the docking bases individually, by serial number.) Enable/disable the reporting of the processor serial number by the processor to the software.

I I

I

I

HDD Self Test Options

Run a quick comprehensive self test on hard drives in the system that support the test features.

*Video modes vary even within regions. However, NTSC is common in North America; PAL, in Europe, Africa, and the Middle East; NTSC-J, in Japan; and PAL-M, in Brazil. Other South and Central American regions may use NTSC, PAL, or PAL-M.

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Maintenance and Service Guide

Troubleshooting

2.2 Using Compaq Diagnostics
When you access Compaq Diagnostics, a scan of all system components is displayed on the screen before the Compaq Diagnostics window opens. You can display more or less information from anywhere within Compaq Diagnostics by selecting Level on the menu bar. Compaq Diagnostics is designed to test Compaq components. If non-Compaq components are tested, the results may be inconclusive.

Obtaining, Saving, or Printing Configuration Information
1. Access Compaq Diagnostics by selecting Start > Settings > Control Panel > Compaq Diagnostics. 2. Select Categories, then select a category from the drop-down list.


To save the information, select File > Save As. To print the information, select File > Print.

3. To close Compaq Diagnostics, select File > Exit.

Maintenance and Service Guide

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Troubleshooting

Obtaining, Saving, or Printing Diagnostic Test Information
1. Access Compaq Diagnostics by selecting Start > Settings > Control Panel > Compaq Diagnostics. 2. Select the Test tab. 3. In the scroll box, select the category or device you want to test. 4. Select a test type:


Quick Test--Runs a quick, general test on each device in a selected category. Complete Test--Performs maximum testing on each device in a selected category. Custom Test--Performs maximum testing on a selected device.
N N

To run all tests for your selected device, select the Check All button. To run only the tests you select, select the Uncheck All button, then select the checkbox for each test you want to run.

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Maintenance and Service Guide

Troubleshooting

5. Select a test mode:


Interactive Mode--Provides maximum control over the testing process. You determine whether the test was passed or failed and may be prompted to insert or remove devices. Unattended Mode--Does not display prompts. If errors are found, they are displayed when testing is complete.



6. Select the Begin Testing button. 7. Select a tab to view a test report:


Status tab--Summarizes the tests run, passed, and failed during the current testing session. Log tab--Lists tests run on the system, the number of times each test has run, the number of errors found on each test, and the total run time of each test. Error tab--Lists all errors found in the computer with their error codes. Log tab--Select the Log tab Save button. Error tab--Select the Error tab Save button.



8. Select a tab to save the report:


9. Select the Log tab to print the report.

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Troubleshooting

2.3 Troubleshooting Flowcharts
Table 2-4 Troubleshooting Flowcharts Overview
Flowchart 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 2.10 2.11 2.12 2.13 2.14 2.15 2.16 2.17 2.18 2.19 2.20 Description Initial troubleshooting No power, part 1 No power, part 2 No power, part 3 No power, part 4 No video, part 1 No video, part 2 Nonfunctioning docking station No operating system (OS) loading No OS loading from hard drive, part 1 No OS loading from hard drive, part 2 No OS loading from hard drive, part 3 No OS loading from diskette drive No OS loading from CD- or DVD-ROM drive No audio, part 1 No audio, part 2 Nonfunctioning device Nonfunctioning keyboard Nonfunctioning pointing device No network or modem connection

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Maintenance and Service Guide

Troubleshooting

2.1 Initial Troubleshooting
Begin Troubleshooting

N
Is there power? Go to Section 2.2, No Power.

Y N
Beeps, LEDs, or error Messages? Check LED board, speaker connections. All drives working?

N
Go to Section 2.17, Nonfunctioning Device.

Y N
Is there video? (no boot) Go to Section 2.6, No Video.

Y N
Keyboard/ pointing device working? Go to Section 2.18, Nonfunctioning Keyboard, or Section 2.19, Nonfunctioning Pointing Device.

Y N
Is the OS loading? Go to Section 2.9, No OS Loading.

Y N
Connecting to network or modem?

Y N
Is there sound? Go to Section 2.15, No Audio.

Y
End

Go to Section 2.20, No Network or Modem Connection.

Y

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Troubleshooting

2.2 No Power, Part 1
No Power (Power LED is off)

Remove from docking station if applicable.

N
Power up on battery power? *Reset power. Power up on battery power?

N
Go to Section 2.3, No Power, Part 2.

Y N
Power up on AC power? *Reset power.

Y N
Power up on AC power? Go to Section 2.4, No Power, Part 3.

Y Y
Power up in docking station? Done

Y

N
1. Reseat power cables in docking station and at the AC outlet. 2. Ensure the AC power source is active. 3. Ensure the power strip is working.

*Notes: 1. On some models, there is a separate res button. 2. On some models, the computer may be reset using the Standby switch and eithe the lid switch or the main power switch.

Y
Done Power up in docking station?

N
Go to Section 2.8, Nonfunctioning Docking Station

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Maintenance and Service Guide

Troubleshooting

2.3 No Power, Part 2
Continued from Section 2.2, No Power, Part 1.

Visually check for debris in battery socket and clean if necessary.

Y
Power on? Done

N
Check battery by recharging, moving to another computer, or replacing it.

N
Power on? Replace power supply (if applicable).

Y N
Done Power on? Go to Section 2.4, No Power, Part 3.

Y

Done

Maintenance and Service Guide

2­13

Troubleshooting

2.4 No Power, Part 3
Continued from Section 2.3, No Power, Part 2. Plug directly into AC outlet.

Y
Power LED on? Done

N
Reseat AC adapter in computer and at power source.

Y
Power on? Done

N N
Power outlet active? Try different outlet. Internal or external AC adapter? Internal Go to Section 2.5, No Power, Part 4. External Replace external AC adapter.

Y
Replace power cord.

N
Power on?

Y
Power on? Done

Y
Done

N

2­14

Maintenance and Service Guide

Troubleshooting

2.5 No Power, Part 4
Continued from Section 2.4, No Power, Part 3.

Open computer.

Y
Loose or damaged parts?

N
Close computer and retest.

Reseat loose components and boards and replace damaged items.

N
Power on? Replace the following items, if applicable. Check computer operation after each replacement: 1. Internal DC-DC converter* 2. Internal AC adapter 3. Processor board* 4. System board* Done *Replace these items as a set to prevent shorting out among components.

Y

Maintenance and Service Guide

2­15

Troubleshooting

2.6 No Video, Part 1
No Video Docking Station Stand-alone or Docking Station? Standalone Internal or external display*? External Adjust brightness. Adjust brightness. Internal Go to Section 2.7, No Video, Part 2. *Note: To change from internal to external display, use the hotkey combination.

Y
Video OK? Done

N

A
Y

Depress lid switch to ensure operation.

Y
Done Video OK? Done

Video OK?

N
Check for bent pins on cable.

N
Replace the following one at a time. Test after each replacement: 1. Cable between notebook and computer display (if applicable) 2. Inverter board (if applicable) 3. Display 4. System board

N
Video OK? Try another display. Internal and external video OK?

N
Replace system board.

Y
Done

Y
Done

2­16

Maintenance and Service Guide

Troubleshooting

2.7 No Video, Part 2
Continued from Section 2.6, No Video, Part 1.

Remove notebook from docking station, if connected.

Adjust display brightness.

Check brightness of external monitor.

N
Video OK? Go to "A" in Section 2.6, No Video, Part 1. Video OK?

Y
Done

Y
Check for notebook properly seated in docking station, bent pins on cable, and for monitor connection.

N
Try another external monitor.

Y
Video OK? Done Internal and external video OK?

Y
Done

N

N
Go to Section 2.8, Nonfunctioning Docking Station.

Adjust external monitor display.

Maintenance and Service Guide

2­17

Troubleshooting

2.8 Nonfunctioning Docking Station (if applicable)
Nonfunctioning docking station

Reseat power cord in docking station and power outlet.

Check voltage setting on docking station.

Reinstall notebook into docking station.

Reset monitor cable connector at docking station.

Y
Docking station operating? Done

N Y
Docking station operating? Done Replace these docking station components one at a time. Check computer operation after each replacement: 1. Power supply 2. I/O board 3. Backplane board 4. Switch box 5. Docking motor mechanism

N
Remove notebook, reseat all internal parts, and replace any damaged items in docking station.

2­18

Maintenance and Service Guide

Troubleshooting

2.9 No Operating System (OS) Loading
No OS loading

Reseat power cord in docking station and power outlet. No OS loading from hard drive, go to Section 2.10.

No OS loading form diskette drive, go to Section 2.13. No OS loading from CD- or DVD-ROM drive, go to Section 2.14. No OS loading from network, go to Section 2.20. NOTE: Before beginning, always check cable connections, cable ends, and drives for bent or damaged pins.

Maintenance and Service Guide

2­19

Troubleshooting

2.10 No OS Loading from Hard Drive, Part 1
OS not loading from hard drive.

Y
Nonsystem disk message?

N
Reseat external hard drive.

Go to Section 2.11, No OS Loading from Hard Drive, Part 2.

Y
OS loading? Done

N N
Boot from CD?

N
Boot from diskette?

Y
Check the setup utility for correct booting order.

Y N
Change boot priority through the setup utility and reboot.

Go to Section 2.13, No OS Loading from Diskette Drive.

Boot from hard drive?

Y
Done Boot from hard drive?

N
Go to Section 2.17, Nonfunctioning Device.

Y
2­20 Maintenance and Service Guide

Troubleshooting

2.11 No OS Loading from Hard Drive, Part 2
Continued from Section 2.10, No OS Loading from Hard Drive, Part 1. Reseat hard drive.

N
CD or diskette in drive? 1. Replace hard drive. 2. Replace system board.

Y
Hard drive accessible? Done

Y N
Remove diskette and reboot.

Run FDISK.

Y
Boot from hard drive? Done Hard drive partitioned?

N
Create partition, then format hard drive to bootable C:\ prompt.

N N
Boot from diskette drive? Go to Section 2.13, No OS Loading from Diskette Drive.

Y N
Hard drive formatted?

Y N
Hard drive accessible?

Y

Y
Computer booted? Done

Format hard drive and bring to a bootable C:\ prompt.

Y
Go to Section 2.12, No OS Loading from Hard Drive, Part 3.

N
Go to Section 2.12, No OS Loading from Hard Drive, Part 3.

Load OS using Restore CD if applicable.

Maintenance and Service Guide

2­21

Troubleshooting

2.12 No OS Loading from Hard Drive, Part 3
Continued from Section 2.11, No OS Loading from Hard Drive, Part 2.

N
System files on hard drive? Install OS and reboot.

Y Y
Virus on hard drive? Clean virus. OS loading from hard drive?

Y
Done

N
Run SCANDISK and check for bad sectors.

N Y
Diagnostics on diskette? Replace hard drive.

N N
Can bad sectors be fixed? Replace hard drive. Run diagnostics and follow recommendations.

Y N
Fix bad sectors. Boot from hard drive? Replace hard drive.

Y
Done

2­22

Maintenance and Service Guide

Troubleshooting

2.13 No OS Loading from Diskette Drive
Y
OS not loading from diskette drive. Reseat diskette drive. OS loading? Done

N

Y
Nonsystem disk message? Bootable diskette in drive?

N
Install bootable diskette and reboot computer.

N N
Boot from another device? Go to Section 2.17, Nonfunctioning Device.

Y

Check diskette for system files. Try different diskette.

Y N
Diskette drive enabled in the setup utility? Enable drive and cold boot computer. Nonsystem disk error?

Y
1. Replace diskette drive. 2. Replace system board.

Y Y
Diskette drive boot order. Clear CMOS. Refer to Section 1.2, "Clearing a Password," for instructions.

N Y
OS loading? Done

N

N

Change boot priority using the setup utility.

Go to Section 2.17, Nonfunctioning Device

Maintenance and Service Guide

2­23

Troubleshooting

2.14 No OS Loading from CD- or DVD-ROM Drive
No OS loading from CD- or DVD-ROM drive.

Y
Disk in drive? Bootable disk in drive?

N

N
Install bootable disk.

Y
Try another bootable disk.

Install bootable disk and reboot computer.

Y
Boots from CD or DVD? Done

N Y
Reseat drive. Boots from CD or DVD? Done

N N
Booting from another device? Go to Section 2.17, Nonfunctioning Device. Clear CMOS. Refer to Section 1.2, "Clearing a Password," for instructions.

Y Y
Booting order correct?

N
Correct boot order using the setup utility.

Go to Section 2.17, Nonfunctioning Device

2­24

Maintenance and Service Guide

Troubleshooting

2.15 No Audio, Part 1
Y
No audio Turn up audio internally or externally. Audio? Done

N

Y
Notebook in docking station (if applicable)? Undock Internal audio?

N
Go to Section 2.16, No Audio, Part 2.

N

Y
Replace the following docking station components one at a time as applicable. Check after each change: 1. Reseat docking station audio cable. 2. Replace audio cable. 3. Replace speaker. 4. Replace docking station audio board. 5. Replace backplane board.

Go to Section 2.16, No Audio, Part 2.

Y
Go to Section 2.17, Nonfunctioning Device Audio? Done

N

Maintenance and Service Guide

2­25

Troubleshooting

2.16 No Audio, Part 2
Continued from Section 2.15, No Audio, Part 1

N
Audio driver in OS configured? Reload audio drivers.

Y N
Correct drivers for application? Load drivers and set configuration in OS.

Y
Connect to external speaker.

N
Audio?

Y

Replace audio board and speaker connections in notebook, if applicable.

Y
Audio? Done

N

1. Replace internal speakers. 2. Replace audio board, if applicable. 3. Replace system board.

2­26

Maintenance and Service Guide

Troubleshooting

2.17 Nonfunctioning Device
Nonfunctioning device

Reseat device.

Unplug the nonfunctioning device from the notebook, inspect cables and plugs for bent or broken pins or other damage.

Y
Clear CMOS. Any physical device? Fix or replace broken item.

N
Reattach device. Close notebook, plug in power, and reboot. Possible bad hard drive. Replace drive. Go to Section 2.9, No OS Loading.

N
Device boots properly?

Y

Possible bad NIC. Replace card. If integrated NIC, replace system board.

N
Device boots properly?

Y

Done

Possible bad diskette drive. Replace drive.

Done

Maintenance and Service Guide

2­27

Troubleshooting

2.18 Nonfunctioning Keyboard
Keyboard not operating properly.

Connect notebook to good external keyboard.

N
External device works? Replace system board.

Y
Reseat internal keyboard connector (if applicable).

N
OK? Replace internal keyboard or cable.

Y Y
Done OK? Done

N
Replace system board.

2­28

Maintenance and Service Guide

Troubleshooting

2.19 Nonfunctioning Pointing Device
Pointing device not operating properly.

Connect notebook to good external pointing device.

N
External device works? Replace system board.

Y
Reseat internal pointing device connector (if applicable).

N
OK? Replace internal pointing device or cable.

Y Y
Done OK? Done

N
Replace system board.

Maintenance and Service Guide

2­29

Troubleshooting

2.20 Network or Modem Connection Problems
No network or modem connection.

N
Network or modem jack active? Replace jack or have jack activated.

Y Y
Digital line? Connect to non-digital line.

N N
NIC/modem configured in OS? Reload drivers and reconfigure. OK?

Y
Done

Y
Disconnect all power from the notebook and open.

N
Replace NIC/modem if applicable.

Y
Reseat NIC/modem if applicable. OK? Done

N
Replace system board.

2­30

Maintenance and Service Guide

3
Illustrated Parts Catalog
This chapter provides an illustrated parts breakdown and a reference for spare part numbers and option part numbers.

3.1 Serial Number Location
When ordering parts or requesting information, provide the computer serial number and model number located on the bottom of the computer (Figure 3-1).

Figure 3-1. Serial Number Location

Maintenance and Service Guide

3­1

Illustrated Parts Catalog

3.2 Computer System Major Components

Figure 3-2. Computer System Major Components

3­2

Maintenance and Service Guide

Illustrated Parts Catalog

Table 3-1 Spare Parts: Computer System Major Components
Spare Part Number 241433-001 241434-001 241438-001

Item 1

Description Displays 14.1-inch, SXGA+, CTFT 14.1-inch, XGA, CTFT Switch cover Keyboard (for use with TouchPad models) Arabic Brazilian Belgian Czech Danish French French Canadian German Greek Hebrew Hungarian International Italian Japanese 241427-171 241427-201 241427-181 241427-221 241427-081 241427-051 241427-121 241427-041 241427-151 241427-BB1 241427-211 241427-002 241427-061 241427-291 Korean Latin American Spanish Norwegian Portuguese Russian Slovenian/ Slovakian Slovenian Spanish Swedish/Finnish Swiss Taiwanese Turkish U.K. English U.S. English

2 3

241427-AD1 241427-161 241427-091 241427-131 241427-251 241427-B41 241427-231 241427-071 241427-101 241427-111 241427-AB1 241427-141 241427-031 241427-001

Maintenance and Service Guide

3­3

Illustrated Parts Catalog

Computer System Major Components (continued)

3­4

Maintenance and Service Guide

Illustrated Parts Catalog

Table 3-1 Spare Parts: Computer System Major Components (Continued)
Spare Part Number

Item 3

Description Keyboard (for use with pointing stick models) Arabic Brazilian Belgian Czech Danish French French Canadian German Greek Hebrew Hungarian International Italian Japanese 241428-171 241428-201 241428-181 241428-221 241428-081 241428-051 241428-121 241428-041 241428-151 241428-BB1 241428-211 241428-002 241428-061 241428-291 Korean Latin American Spanish Norwegian Portuguese Russian Slovenian/ Slovakian Slovenian Spanish Swedish/Finnish Swiss Taiwanese Turkish U.K. English U.S. English

241428-AD1 241428-161 241428-091 241428-131 241428-251 241428-B41 241428-231 241428-071 241428-101 241428-111 241428-AB1 241428-141 241428-031 241428-001 241439-001

Miscellaneous Plastics Kit 4a 4b 4c 4d 5 6 7 Modem/NIC cover Real time clock (RTC) battery Modem cable Memory expansion compartment cover

not illustrated: MultiPort Module cover Computer feet PC Card slot space savers

TouchPad (for use with TouchPad models) Touch Button (for use with pointing stick models) Top cover Fan

135227-001 159530-001 241436-001 255528-001

Maintenance and Service Guide

3­5

Illustrated Parts Catalog

Computer System Major Components (continued)

3­6

Maintenance and Service Guide

Illustrated Parts Catalog

Table 3-1 Spare Parts: Computer System Major Components (Continued)
Spare Part Number

Item 8

Description Mini PCI communications boards Type III mini PCI combination 56-Kbps modem/NIC board Type III mini PCI combination 56-Kbps/NIC/3DES board Type III mini PCI 56-Kbps modem board System boards Mobile Intel Pentium III processor 1.066 GHz-M Mobile Intel Pentium III processor 866 MHz-M DC-DC converter board Hard drives 30 GB 20 GB 15 GB 10 GB MultiBay devices Diskette drive 24X Max CD-ROM drive 8X Max DVD-ROM drive 4X Max DVD-ROM drive SuperDisk LS120 drive IOmega 250-MB ZIP drive 6-cell battery pack Base enclosure (includes modem cable) Battery pack (8-cell, Lithium ion)

230338-001 230339-001 230337-001 241430-001 241432-001 241435-001 217096-001 235421-001 241429-001 217094-001 135233-001 315082-001 173949-001 102266-001 218682-001 218683-001 387937-B25 241437-001 232633-001

9

10 11

12

13 14

Maintenance and Service Guide

3­7

Illustrated Parts Catalog

3.3 Miscellaneous Plastics Kit Components

Figure 3-3 Miscellaneous Plastics Kit Components Table 3-2 Miscellaneous Plastics Kit Components Spare Part Number 241439-001
Item 1 2 3 4 5 6 7 Description Modem/NIC cover PC Card slot space savers RTC battery Memory expansion compartment cover Computer feet MultiPort Module cover Modem cable

3­8

Maintenance and Service Guide

Illustrated Parts Catalog

3.4 Mass Storage Devices

Figure 3-4. Mass Storage Devices
l

Table 3-3 Mass Storage Devices
Spare Part Number 217096-001 235421-001 241429-001 217094-001 135233-001 135232-001 218685-001 226935-B25 Option Part Number

Item 1

Description Hard drives 30 GB 20 GB 15 GB 10 GB Diskette drive External diskette drive cable External MultiBay cradle

2a 2b 3

Maintenance and Service Guide

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Illustrated Parts Catalog

Mass Storage Devices (continued) Table 3-3 Miscellaneous Plastic Kit Components (Continued)
Spare Part Number 315082-001 173949-001 102266-001 218682-001 Option Part Number 298452-B25 138320-B25 136186-B25

Item 4

Description Optical drives 24X Max CD-ROM drive 8X Max DVD-ROM drive 4X Max DVD-ROM drive CD-RW drive SuperDisk LS120 drive

5

3­10

Maintenance and Service Guide

Illustrated Parts Catalog

Table 3-3 Miscellaneous Plastic Kit Components (Continued)
Spare Part Number 218683-001 Option Part Number 217837-B25

Item

Description IOmega 250-MB ZIP drive (not illustrated) MultiBay hard drives (not illustrated) 30 GB 20 GB 10 GB 1-GB Microdrive (PC Card device, not illustrated)

212791-B25 212790-B25 212789-B25 218684-001 217390-B25

Maintenance and Service Guide

3­11

Illustrated Parts Catalog

3.5 Miscellaneous
Table 3-4 Spare Parts: Miscellaneous (not illustrated)
Spare Part Number 230338-001 230339-001 230337-001 234963-091 198294-111 234962-001 304398-011 304398-181 304398-051

Description Modems Type III mini PCI combination 56-Kbps modem/NIC board Type III mini PCI combination 56-Kbps/NIC/3DES board Type III mini PCI 56-Kbps modem board Modem adapters Czech German Hungarian Modem cable Modem cable adapters Australian Belgian French 234963-221 236432-041 234963-211 Norwegian Swiss

3­12

Maintenance and Service Guide

Illustrated Parts Catalog

Table 3-4 Spare Parts: Miscellaneous (not illustrated) (Continued)
Spare Part Number 316904-081 316904-351 Italian Swedish 316904-061 316904-101 158593-031 239049-001 239053-001 241440-001

Description RJ-11 P55 adapters Danish Finnish

RJ-11 PTT adapter (used in the United Kingdom) RJ-45 network cable Logo kit Screw kit (includes the following screws and bushing guides; refer to Appendix C, "Screw Listing," for more information on screw specifications and usage)
I Torx T8 M2 × 7 I Torx T8 M2 × 5 I 7.0-mm bushing guide I I

Phillips M1 × 6 Phillips M2 × 6.5

AC adaptors 65-Watt AC adapter power supply 50-Watt AC adapter power supply

239704-001 120765-001

Maintenance and Service Guide

3­13

Illustrated Parts Catalog

Table 3-4 Spare Parts: Miscellaneous (not illustrated) (Continued)
Spare Part Number

Description Power cord, black, 6 feet Australian Danish European/Middle Eastern/African Italian Japanese 246959-011 246959-081 246959-021 213352-001 197233-001 Korean Swiss Taiwanese U.K. English U.S. English

246959-AD1 246959-AG1 234961-AA1 246959-031 246959-001

Memory expansion boards 512 MB 256 MB 128 MB 64 MB Common power solutions 6-cell MultiBay battery pack External battery charger Auto power adapter/charger Aircraft power adapter

238830-B25 197898-B25 197987-B25 197896-B25

167136-001 135244-001 135243-001

387937-B25 135555-XXX 401043-B25 386405-B21

3­14

Maintenance and Service Guide

4
Removal and Replacement Preliminaries
This chapter provides essential information for proper and safe removal and replacement service.

4.1 Tools Required
You will need the following tools to complete the removal and replacement procedures:
I I I I

Magnetic screwdriver Phillips P0 screwdriver 7.0-mm socket Tool kit (includes connector removal tool, loopback plugs, and case utility tool)

4.2 Service Considerations
The following sections include some of the considerations that you should keep in mind during disassembly and assembly procedures. the As you remove each subassembly from the computer, place work subassembly (and all accompanying screws) away from the area to prevent damage.

Maintenance and Service Guide

4­1

Removal and Replacement Preliminaries

Plastic Parts
Using excessive force during disassembly and reassembly can damage plastic parts. Use care when handling the plastic parts. Apply pressure only at the points designated in the maintenance instructions.

Cables and Connectors
Cables must be handled with extreme care to avoid damage. Apply only the tension required to unseat or seat the cables during removal and insertion. Handle cables by the connector whenever possible. In all cases, avoid bending, twisting, or tearing cables. Ensure that cables are routed in such a way that they cannot be caught or snagged by parts being removed or replaced. Handle flex cables with extreme care; these cables tear easily.

Ä

CAUTION: When servicing the computer, ensure that cables are placed in their proper locations during the reassembly process. Improper cable placement can damage the computer.

4­2

Maintenance and Service Guide

Removal and Replacement Preliminaries

4.3 Preventing Damage to Removable Drives
Removable drives are fragile components that must be handled with care. To prevent damage to the computer, damage to a removable drive, or loss of information, observe the following precautions:
I

Before removing or inserting a hard drive, shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, then shut it down. Before removing a diskette drive or optical drive, ensure that a diskette or disc is not in the drive. Ensure that the optical drive tray is closed. Before handling a drive, ensure that you are discharged of static electricity. While handling a drive, avoid touching the connector. Handle drives on surfaces that have at least one inch of shock-proof foam. Avoid dropping drives from any height onto any surface. After removing a hard drive, CD-ROM drive, or a diskette drive, place it into a static-proof bag. Avoid exposing a hard drive to products that have magnetic fields, such as monitors or speakers. Avoid exposing a drive to temperature extremes or to liquids. If a drive must be mailed, place the drive into a bubble pack mailer or other suitable form of protective packaging and label the package "Fragile: Handle With Care."

I

I

I I I I I I

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Removal and Replacement Preliminaries

4.4 Preventing Electrostatic Damage
Many electronic components are sensitive to electrostatic discharge (ESD). Circuitry design and structure determine the degree of sensitivity. Networks built into many integrated circuits provide some protection, but in many cases the discharge contains enough power to alter device parameters or melt silicon junctions. A sudden discharge of static electricity from a finger or other conductor can destroy static-sensitive devices or microcircuitry. Often the spark is neither felt nor heard, but damage occurs. An electronic device exposed to electrostatic discharge may not be affected at all and can work perfectly throughout a normal cycle. The device may function normally for awhile, then degrade in the internal layers, reducing its life expectancy.

4.5 Packaging and Transporting Precautions
Use the following grounding precautions when packaging and transporting equipment:
I I I I I

To avoid hand contact, transport products in static-safe containers, such as tubes, bags, or boxes. Protect all electrostatic-sensitive parts and assemblies with conductive or approved containers or packaging. Keep electrostatic-sensitive parts in their containers until the parts arrive at static-free workstations. Place items on a grounded surface before removing items from their containers. Always be properly grounded when touching a sensitive component or assembly.

4­4

Maintenance and Service Guide

Removal and Replacement Preliminaries

I I

Place reusable electrostatic-sensitive parts from assemblies in protective packaging or nonconductive foam. Use transporters and conveyers made of antistatic belts and roller bushings. Ensure that mechanized equipment used for moving materials is wired to ground and that proper materials were selected to avoid static charging. When grounding is not possible, use an ionizer to dissipate electric charges.

4.6 Workstation Precautions
Use the following grounding precautions at workstations:
I I I I I I

Cover the workstation with approved static-dissipative material (refer to Table 4-2). Use a wrist strap connected to a properly grounded work surface and use properly grounded tools and equipment. Use conductive field service tools, such as cutters, screwdrivers, and vacuums. When using fixtures that must directly contact dissipative surfaces, only use fixtures made of static-safe materials. Keep the work area free of nonconductive materials, such as ordinary plastic assembly aids and Styrofoam. Handle electrostatic-sensitive components, parts, and assemblies by the case or PCM laminate. Handle these items only at static-free workstations. Avoid contact with pins, leads, or circuitry. Turn off power and input signals before inserting or removing connectors or test equipment.

I I

Maintenance and Service Guide

4­5

Removal and Replacement Preliminaries

4.7 Grounding Equipment and Methods
Grounding equipment must include either a wrist strap or a foot strap at a grounded workstation.
I

When seated, wear a wrist strap connected to a grounded system. Wrist straps are flexible straps with a minimum of one megaohm ±10% of resistance in the ground cords. To provide proper ground, wear a strap snugly against the skin at all times. On grounded mats with banana-plug connectors, connect a wrist strap with alligator clips. When standing, use foot straps and a grounded floor mat. Foot straps (heel, toe, or boot straps) can be used at standing workstations and are compatible with most types of shoes or boots. On conductive floors or dissipative floor mats, use foot straps on both feet with a minimum of one megaohm of resistance between the operator and ground. To be effective, the conductive strips must be worn in contact with the skin.

I

Other grounding equipment recommended for use in preventing electrostatic damage includes:
I I I I I I I I I

Antistatic tape Antistatic smocks, aprons, and sleeve protectors Conductive bins and other assembly or soldering aids Nonconductive foam Conductive tabletop workstations with ground cords of one-megohm resistance Static-dissipative table or floor mats with hard tie to ground Field service kits Static awareness labels Material-handling packages

4­6

Maintenance and Service Guide

Removal and Replacement Preliminaries

I I I

Nonconductive plastic bags, tubes, or boxes Metal tote boxes Electrostatic voltage levels and protective materials

Table 4-1 shows how humidity affects the electrostatic voltage levels generated by different activities.
Table 4-1 Typical Electrostatic Voltage Levels
Relative Humidity Event Walking across carpet Walking across vinyl floor Motions of bench worker Removing DIPS from plastic tube Removing DIPS from vinyl tray Removing DIPS from Styrofoam Removing bubble pack from PCB Packing PCBs in foam-lined box 10% 35,000 V 12,000 V 6,000 V 2,000 V 11,500 V 14,500 V 26,500 V 21,000 V 40% 15,000 V 5,000 V 800 V 700 V 4,000 V 5,000 V 20,000 V 11,000 V 55% 7,500 V 3,000 V 400 V 400 V 2,000 V 3.500 V 7,000 V 5,000 V

A product can be degraded by as little as 700 volts.
Table 4-2 lists the shielding protection provided by antistatic bags and floor mats.
Table 4-2 Static-Shielding Materials
Material Antistatic plastic Carbon-loaded plastic Metallized laminate Use Bags Floor mats Floor mats Voltage Protection Level 1,500 V 7,500 V 5,000 V

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4­7

5
Removal and Replacement Procedures
This chapter provides removal and replacement procedures. Both Phillips P0 and Torx T8 screws are removed during disassembly. There are 25 screws and screwlocks, in five different sizes, that must be removed and replaced when servicing the computer. Make special note of each screw size and location during removal and replacement. Refer to Appendix C, "Screw Listing," for detailed information on screw sizes, locations, and usage.

Maintenance and Service Guide

5­1

Removal and Replacement Procedures

5.1 Serial Number
Report the computer serial number to Compaq when requesting information or ordering spare parts. The serial number is located on the bottom of the computer (Figure 5-1).

Figure 5-1. Serial Number Location

5­2

Maintenance and Service Guide

Removal and Replacement Procedures

5.2 Disassembly Sequence Chart
Use the chart below to determine the section number to be referenced when removing computer components.
Table 5-1 Disassembly Sequence Chart
# of Screws Removed 0 0 1 0 0 0 2 3 10 5 2 0 0

Section 5.3 5.4 5.5 5.6 5.7 5.8 5.9 5.10 5.11 5.12 5.13 5.14 5.15

Description Preparing the computer for disassembly Computer feet Keyboard Modem/Network Interface Card (NIC) Real Time Clock (RTC) battery TouchPad and Touch button Switch cover Display Top cover System board Fan DC-DC converter board Modem cable

Maintenance and Service Guide

5­3

Removal and Replacement Procedures

5.3 Preparing the Computer for Disassembly
Perform the following steps before disassembling the computer. Consult the computer Hardware Guide for instructions on the following steps: 1. Turn off the computer. 2. Disconnect the AC adapter and all external devices. 3. Remove the battery pack. 4. Remove the hard drive. 5. Remove the Media Bay device.

5­4

Maintenance and Service Guide

Removal and Replacement Procedures

5.4 Computer Feet
The computer feet are adhesive-backed rubber pads. The computer feet are included in the Miscellaneous Plastics Kit (spare part number 241439-001). Refer to Figure 5-2 for computer feet locations.

Figure 5-2. Replacing the Computer Feet

Maintenance and Service Guide

5­5

Removal and Replacement Procedures

5.5 Keyboard
Keyboard Spare Part Number Information
Keyboard without pointing stick (for use with TouchPad models) Arabic Brazilian Belgian Czech Danish French French Canadian German Greek Hebrew Hungarian International Italian Japanese 241427-171 241427-201 241427-181 241427-221 241427-081 241427-051 241427-121 241427-041 241427-151 241427-BB1 241427-211 241427-002 241427-061 241427-291 Korean Latin American Spanish Norwegian Portuguese Russian Slovenia/Slovakia Slovenian Spanish Swedish/Finnish Swiss Taiwanese Turkish U.K. English U.S. English 241427-AD1 241427-161 241427-091 241427-131 241427-251 241427-B41 241427-231 241427-071 241427-101 241427-111 241427-AB1 241427-141 241427-031 241427-001

Keyboard with pointing stick Arabic Brazilian Belgian Czech Danish French French Canadian German Greek Hebrew Hungarian International Italian Japanese 241428-171 241428-201 241428-181 241428-221 241428-081 241428-051 241428-121 241428-041 241428-151 241428-BB1 241428-211 241428-002 241428-061 241428-291 Korean Latin American Spanish Norwegian Portuguese Russian Slovenia/Slovakia Slovenian Spanish Swedish/Finnish Swiss Taiwanese Turkish U.K. English U.S. English 241428-AD1 241428-161 241428-091 241428-131 241428-251 241428-B41 241428-231 241428-071 241428-101 241428-111 241428-AB1 241428-141 241428-031 241428-001

1. Prepare the computer for disassembly (Section 5.3). 2. Turn the computer bottom side up with the front facing you.
5­6 Maintenance and Service Guide

Removal and Replacement Procedures

3. Remove the black M2 × 7 screw that secures the keyboard to the base enclosure (Figure 5-3).

Figure 5-3. Removing the Keyboard Screw

4. Turn the computer top side up with the front facing you. 5. Open the computer.

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Removal and Replacement Procedures

6. Slide the four tabs on the top of the keyboard forward 1 (Figure 5-4). 7. Lift the top edge of the keyboard and swing it up and forward until it rests on the top cover 2.

Figure 5-4. Releasing the Keyboard

8. Disengage the keyboard cable from the retaining clips in the top cover.

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Removal and Replacement Procedures

9. Release the ZIF connector to which the pointing device cable is attached 1 and disconnect the pointing device cable 2 (Figure 5-5). 10. Release the ZIF connector to which the keyboard cable is attached 3 and disconnect the keyboard cable 4.

Figure 5-5. Disconnecting the Keyboard and Pointing Device Cables

11. Remove the keyboard. Reverse the above procedure to replace the keyboard.

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Removal and Replacement Procedures

5.6 Modem/Network Interface Card (NIC)
Modem/Network Interface Card (NIC) Spare Part Number Information
Mini PCI communications boards Type III mini PCI combination 56-Kbps modem/NIC board Type III mini PCI combination 56-Kbps/NIC/3DES board Type III mini PCI 56-Kbps modem board

230338-001 230339-001 230337-001

1. Prepare the computer for disassembly (Section 5.3). 2. Remove the keyboard (Section 5.5). 3. Lift up the left side of the modem/NIC cover 1 and swing the cover forward 2 (Figure 5-6).

Figure 5-6. Removing the Modem/NIC Cover

4. Remove the modem/NIC cover. 5. Disconnect the modem/NIC cable from the modem/NIC board 1 (Figure 5-7).

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Maintenance and Service Guide

Removal and Replacement Procedures

6. Spread the retaining tabs 2 that secure the modem/NIC board to the system board. The modem/NIC board rises up at a 45-degree angle. 7. Pull the modem/NIC board away from the connector at a 45-degree angle 3.

Figure 5-7. Removing the Modem/NIC Board

Reverse the above procedure to replace the modem/NIC board.

Maintenance and Service Guide

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Removal and Replacement Procedures

5.7 Real Time Clock (RTC) Battery
The RTC battery is included in the Miscellaneous Plastics Kit (spare part number 241439-001). 1. Prepare the computer for disassembly (Section 5.3). 2. Remove the keyboard (Section 5.5). 3. Remove the modem/NIC cover (Section 5.6). 4. Disconnect the RTC battery cable from the system board 1 (Figure 5-8). 5. Remove the RTC battery from the retaining clip in the top cover 2.

The system ROM 3 is also accessible when the modem/NIC cover is removed.

Figure 5-8. Removing the RTC Battery

Reverse the above procedure to replace the RTC battery.

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Removal and Replacement Procedures

5.8 TouchPad or Touch Button
TouchPad or Touch Button Spare Part Number Information
TouchPad (for use with TouchPad models) Touch Button (for use with pointing stick models) 135227-001 159530-001

1. Prepare the computer for disassembly (Section 5.3). 2. Remove the keyboard (Section 5.5). 3. Remove the modem/NIC cover (Section 5.6).

Maintenance and Service Guide

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Removal and Replacement Procedures

4. Lift up on the left side of the TouchPad 1 until it disengages from the top cover (Figure 5-9). 5. Swing the TouchPad up and back 2 and rest it on the top cover. 6. Disconnect the TouchPad cables from the system board 3.

Figure 5-9. Removing the TouchPad

7. Remove the TouchPad. Reverse the above procedure to replace the TouchPad.

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Removal and Replacement Procedures

5.9 Switch Cover
Switch Cover Spare Part Number Information
Switch cover 241438-001

1. Prepare the computer for disassembly (Section 5.3). 2. Remove the keyboard (Section 5.5). 3. Position the computer so the rear panel faces you. 4. Remove the two black M2 × 7 screws that secure the switch cover to the base enclosure (Figure 5-10).

Figure 5-10. Removing the Switch Cover Screws

5. Position the computer so the front faces you. 6. Open the computer as far as it will open.

Maintenance and Service Guide

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Removal and Replacement Procedures

7. Lift the switch cover up 1, slide it forward 2, and rest it on the keyboard (Figure 5-11). 8. Disconnect the left 3 and right speaker cables 4 from the system board.

Figure 5-11. Removing the Switch Cover

9. Remove the switch cover. Reverse the above procedure to replace the switch cover.

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Removal and Replacement Procedures

5.10 Display
Display Spare Part Number Information
Displays 14.1-inch, SXGA+, CTFT 14.1-inch, XGA, CTFT

241433-001 241434-001

1. Prepare the computer for disassembly (Section 5.3). 2. Remove the keyboard (Section 5.5). 3. Remove the switch cover (Section 5.9). 4. Position the display so that it is vertical.

Maintenance and Service Guide

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Removal and Replacement Procedures

5. Remove the black M2 × 7 screw that secures the display ground cable to the top cover 1 (Figure 5-12). 6. Disconnect the display video 2 and inverter cables 3 from the system board.

Figure 5-12. Disconnecting the Display Cables

7. Position the computer so the rear panel faces you.

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Removal and Replacement Procedures

8. Remove the two black M2 × 7 screws 1 that secure the display to the base enclosure (Figure 5-13). 9. Lift the display straight up and remove it from the base enclosure 2.

Figure 5-13. Removing the Display

Reverse the above procedure to replace the display.

Maintenance and Service Guide

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Removal and Replacement Procedures

5.11 Top Cover
Top Cover Spare Part Number Information
Top cover 241436-001

1. Prepare the computer for disassembly (Section 5.3) and remove the following components: a. Keyboard (Section 5.5) b. Modem/NIC cover (Section 5.6) c. Switch cover (Section 5.9) d. Display (Section 5.10) 2. Turn the computer bottom side up with the rear panel facing you.

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Removal and Replacement Procedures

3. Remove the following screws:


three black M2 × 7 screws from the front edge of the base enclosure 1 (Figure 5-14) two black M2 × 5 screws from the hard drive bay 2 three black M2 × 5 screws from the MultiBay 3 two black M2 × 5 screws from the rear panel 4

Figure 5-14. Removing the Top Cover Screws

4. Turn the computer top side up with the rear panel facing you.

Maintenance and Service Guide

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Removal and Replacement Procedures

5. Insert a flat blade screwdriver into the slot 1 above