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3-12 Troubleshooting and Diagnostics HP Omnibook 500
Symptom Call Center:
Suggestions
Repair Center:
Likely Causes
Repair Center:
Comments
Memory
Out of memory
message appears.
Delete temporary and
unneeded files on drive C.
If using third-party SDRAM
module, check HP Notebook
web site to see if the module
has been tested for use with
this computer.
Test the memory with the
e-DiagTools diagnostics.
SDRAM module.
Motherboard.
Memory doesn’t
increase after
adding SDRAM.
Use only PC-100 SDRAM
modules.
SDRAM module.
Click/scroll button
General problems. Check the pointing stick
settings in Control Panel.
Slide and hold the power
button four seconds to reset
the computer.
Top case.
Motherboard.
Audio
No sound is
audible.
Increase the sound volume
(Fn+UP ARROW, volume
control, and software
controls).
Make sure sound is enabled
(audio-off button and
software controls).
Check for sound resource
conflicts in Device Manager.
Top case.
Motherboard.
Check operation using
headphones or external
speakers.
Sound does not
record.
Check the settings in BIOS
Setup and software controls.
Test the audio with
e-DiagTools diagnostics.
Top case.
Motherboard.
Check operation using an
external microphone.
Feedback from
speakers.
Reduce the volume.
In the Volume Control, click
Options, Properties, and
select the microphone option
for the playback settings.
Make sure the microphone is
muted.
Serial/Parallel
General problems. Check connections.
Check settings in BIOS
Setup and Control Panel.
Test ports with the
e-DiagTools diagnostics.
Motherboard.
Expansion base.
Use a loop-back connector
when testing the serial or
parallel port—see
page 3-21.