HP OmniBook 3100 Service Manual page 63

Symptom Call Center:
Suggestions
USB
General problems USB is not supported in
Windows NT 4.0.
PCMCIA
Setup problems Make sure Card Executive is
installed for Windows NT.
If the card requires an IRQ,
check that there is one
available.
Check for conflicts or refresh
the device list in Device
Manager (Windows 95) or
Administrative Tools or
Control Panel System
(Windows NT).
Reboot the computer.
Try the card in the other slot
or 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.
Computer gets hot It is normal for the computer
to get hot.
Make sure the air vents are
clear.
DOS games and other
programs that drive CPU
usage toward 100% can
contribute.
HP OmniBook 2100/3000/3100
Repair Center: Repair Center:
Likely Causes Comments
USB PCA. Check for bent pins and
misaligned connectors for the
Motherboard.
USB PCA.
If USB works on a docking
product, replace the USB
PCA.
Motherboard.
AC adapter. The ac adapter is not
repairable—it must be
Motherboard.
replaced.
Motherboard. Charge backup battery.
Fan. Test the fan.
Thermal connections. Check for proper contact
between CPU and heatsink,
Heatsink damage.
and between fan and
heatsink.
Troubleshooting and Diagnostics 3-9