Filter
Top Products
HP OmniBook 4100 Troubleshooting and Diagnostics 3-9
Symptom Call Center:
Suggestions
Repair Center:
Likely Causes
Repair Center:
Comments
Sound does not
record
Check settings in BIOS
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.
Inverter PCA (mic).
Motherboard.
Check operation using
external microphone (audio
jack PCA).
Serial/Parallel
General problems Check settings in BIOS
Setup.
Check settings in Control
Panel (and in Windows NT
Diagnostics).
Motherboard.
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.
IR PCA.
Motherboard.
USB
General problems USB is not supported in
Windows NT 4.0.
Motherboard.
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.
Motherboard.
PCMCIA socket.
If both slots have problems,
replace the motherboard. If
only one slot has a problem,
try replacing the PCMCIA
socket.