HP PAVILION 1100 Service Manual page 73

Symptom Call Center:
Suggestions
Embedded numeric Press Fn+F8 to activate
keypad does not numeric keypad, and Lock
work. key to turn on number lock.
Avoid touching touch pad
while booting or resuming.
PS/2 keyboard and Check devices separately.
mouse with Y-
adapter do not
work.
Touch pad
General problems. Reset notebook (see page 1-
9).
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.
Special touch pad In Mouse Properties, select
features not Synaptics PS/2 TouchPad
working. driver. (Driver is installed
from \hp\drivers\touchpad.)
Click button does
not work.
Memory
Out of memory Make sure C drive has
error. 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.
Notebook does not Use only DDR-266 SDRAM
boot after adding modules.
SDRAM.
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.
3-12 Troubleshooting and Diagnostics
Repair Center: Repair Center:
Likely Causes Comments
Keyboard.
Motherboard.
Y-adapter.
PS/2 device.
Motherboard.
Top case.
Motherboard.
Top case.
Motherboard.
Top case.
Motherboard.
SDRAM module.
SDRAM module.
Top case. Check operation using
headphones or external
Speaker assembly.
speakers (switchboard PCA).
Switchboard PCA.
Make sure speaker assembly
Motherboard.
cable is connected.
Service Manual