HP OmniBook 7100 Service Manual page 56

Symptom Call Center:
Suggestions
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.
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.
HP OmniBook 7100
Repair Center: Repair Center:
Likely Causes Comments
Motherboard.
Front-IR PCA (front IR
port).
Icon PCA (back IR
port).
Motherboard.
Motherboard.
Motherboard. If both slots have problems,
replace the motherboard. If
PCMCIA socket.
only one slot has a problem,
try replacing the PCMCIA
socket.
AC adapter. The ac adapter is not
repairable—it must be
DC-DC PCA.
replaced.
Motherboard.
Motherboard. Charge backup battery.
Troubleshooting and Diagnostics 3-9