Maintenance and Service Guide
Table Of Contents
- Contents
- Introduction
- Product Information
- Removal and Replacement
- Disassembly Flowchart
- Removing the Battery
- Removing an SDRAM Module
- Removing the Wireless LAN Mini PCI Card
- Removing the Hard Disk Drive
- Recovering the Factory Software
- Replacing Small Parts
- Removing the Keyboard Cover
- Removing the Speaker Assembly
- Removing the Keyboard
- Removing the Switchboard PCA
- Removing the CD/DVD Drive
- Removing the Display Assembly
- Removing the Top Case
- Removing the Floppy Drive
- Removing the Infrared (I/R) PCA
- Removing the Audio PCA
- Removing the Heat Sink (with Fan)
- Removing the CPU Module
- Removing the RJ11/1394 Connector Module
- Removing the Motherboard
- Replacing Components on a Bottom Case
- Repairing the BIOS IC
- Removing Other Components
- Troubleshooting and Diagnostics
- Replaceable Parts
- Reference Information

Service Manual Troubleshooting and Diagnostics 3-15
Symptom Call Center: Suggestions
Repair Center:
Likely Causes
Repair Center:
Comments
General problems Reset notebook
(see page 1-17).
Check settings in Control
Panel. Make sure touch pad is
enabled in Mouse Properties.
By default, touch pad is
disabled if external PS/2
mouse is connected, Use BIOS
Setup to check settings.
Avoid touching touch pad while
booting or resuming.
Top case
Motherboard
Special touch pad
features not working
In Mouse Properties, select
Synaptics PS/2 TouchPad
driver. (Driver is installed from
\hp\drivers\TouchPad.)
Top case
Motherboard
Select button does
not work
Top case
Motherboard
Memory
Out of memory error Make sure C drive has
adequate free space.
Delete temporary and
unneeded files.
Use memory troubleshooter in
Windows Help.
Not all third-party memory
cards have been tested for use
with notebook.
SDRAM module
Notebook does not
boot after adding
SDRAM
Use only DDR-266 SDRAM
modules.
SDRAM module
Audio
No sound audible Increase sound volume.
Check whether sound is
enabled (mute button and
software controls).
Check for sound resource
conflicts in Device Manager.
Test audio with e-Diagtools
diagnostics.
Top case
Speaker assembly
Switchboard PCA
Motherboard
Check operation
using headphones or
external speakers
(switchboard PCA).
Make sure speaker
assembly cable is
connected.
Sound does not
record
Use an external microphone
(internal microphone normally
not included).
Check software controls.
Test audio with e-Diagtools
diagnostics.
Switchboard PCA
Motherboard
Touch pad