HP OmniBook 3000 Service Manual page 54

Symptom Call Center:
Suggestions
Sound does not Check settings in BIOS
record Setup.
Check software controls for
recording sound.
Serial/Parallel
General problems Check settings in BIOS
Setup.
Infrared
General problems 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.
USB
General problems Check whether USB works
on a port replicator.
PCMCIA
General problems If the card requires an IRQ,
check that there is one
available.
Try the card in another
computer.
Check the OmniBook
website for installation
instructions (page vi).
Download current drivers
from the card manufacturer's
website.
AC adapter
Does not power the Try another ac adapter, if
OmniBook. available.
Miscellaneous
Clock loses time Plug in ac adapter for 24
hours to charge backup
battery.
3-6 Troubleshooting and Diagnostics
Repair Center: Repair Center:
Likely Causes Comments
Top case Check operation using
(microphone) external microphone.
(F1391-60909).
Audio PCA
(F1391-60903).
Motherboard
(F1391-60901).
Motherboard
(F1391-60901).
IR PCA
(F1391-60912).
Motherboard
(F1391-60901).
Icon PCA
(F1391-60911).
USB PCA Check for bent pins and
(F1391-60902). misaligned connectors for
the USB PCA.
Motherboard
(F1391-60901). If USB works on a port
replicator, replace the USB
PCA.
Motherboard
(F1391-60901).
AC adapter The ac adapter is not
(F1377-60901). repairable—it must be
replaced.
Motherboard
(F1391-60901).
Motherboard Charge backup battery.
(F1391-60901).
HP OmniBook 3000