HP OmniBook 3100 Service Manual page 62

Symptom Call Center:
Suggestions
Touch pad
General problems Check settings in Control
Panel.
Special touch pad In Mouse Properties, select
driver features not the TouchPad mouse type.
working
Run Setup.exe from the
touch-pad subdirectory under
\Omnibook\Drivers.
Click button doesn't
work
Audio
Sound does not Check settings in BIOS
play Setup.
Increase sound volume
(Fn+UP and software
controls).
Check whether mute is active
(Fn+F7 and software
controls).
Check for sound resource
conflicts.
Sound does not Check settings in BIOS
record Setup.
Check software controls for
microphone—it should not be
muted in recording panel.
Note: The microphone
should normally be muted in
the master output panel.
Serial/Parallel
General problems Check settings in BIOS
Setup.
Check settings in Control
Panel (and in Windows NT
Diagnostics).
Infrared
General problems Infrared communication is
not supported in
Windows NT 4.0.
Infrared is disabled and no
drivers installed as shipped.
(Drivers are included.)
Check settings in BIOS
Setup.
Standard IrDA and fast-IrDA
are incompatible (they use
different drivers).
For fast-IrDA, check for DMA
conflict with ECP parallel
port.
3-8 Troubleshooting and Diagnostics
Repair Center: Repair Center:
Likely Causes Comments
Touch-pad PCA.
Top case.
Motherboard.
Touch-pad PCA.
Top case.
Motherboard.
Top case.
Motherboard.
Audio PCA. Check operation using
headphones or external
Top case (speakers).
speakers.
Motherboard.
Top case Check operation using
(microphone). external microphone.
Audio PCA.
Motherboard.
Motherboard.
IR PCA.
Motherboard.
Icon PCA.
HP OmniBook 2100/3000/3100