HP 500 manual Click/scroll button, Serial/Parallel

Symptom

Call Center:

Repair Center:

Repair Center:

Suggestions

Likely Causes

Comments

Memory

Out of memory

Delete temporary and

SDRAM module.

message appears.

unneeded files on drive C.

Motherboard.

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.

Memory doesn’t

Use only PC-100 SDRAM

SDRAM module.

increase after

modules.

adding SDRAM.

Click/scroll button

General problems.

Check the pointing stick

Top case.

settings in Control Panel.

Motherboard.

Slide and hold the power

button four seconds to reset

the computer.

Audio

No sound is

Increase the sound volume

Top case.

Check operation using

audible.

(Fn+UP ARROW, volume

Motherboard.

headphones or external

control, and software

speakers.

controls).

Make sure sound is enabled

(audio-off button and

software controls).

Check for sound resource

conflicts in Device Manager.

Sound does not

Check the settings in BIOS

Top case.

Check operation using an

record.

Setup and software controls.

Motherboard.

external microphone.

Test the audio with

e-DiagTools diagnostics.

Feedback from

Reduce the volume.

speakers.

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.

Motherboard.

Use a loop-back connector

Check settings in BIOS

Expansion base.

when testing the serial or

Setup and Control Panel.

parallel port—see

Test ports with the

page 3-21.

e-DiagTools diagnostics.

3-12 Troubleshooting and Diagnostics

HP Omnibook 500