Symptom

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Repair Center:

Repair Center:

Suggestions

Likely Causes

Comments

PS/2 keyboard and mouse with Y- adapter do not work

Pointing stick

General problems

Check devices separately.

Check settings in Control Panel.

Check that the pointing stick is enabled in BIOS Setup.

Y-adapter.

PS/2 device.

Motherboard.

Keyboard assembly. Motherboard.

Special TrackPoint driver features not working

If installed, remove TouchPad driver support using Add/Remove Program.

In Mouse Properties, select the IBM TrackPoint driver from the track-point directory under \OmniBook\Drivers.

Keyboard assembly. Motherboard.

Click button doesn’t work

Touch pad

Touch-pad support (flex cable).

Motherboard.

General problems

Special TouchPad driver features not working

Click button doesn’t work

Audio

Check settings in Control Panel.

Check pointing stick settings in Control Panel. The IBM TrackPoint driver can redefine touch pad operation.

Check that the touch pad is not disabled in BIOS Setup.

If installed, remove IBM TrackPoint support using Add/Remove Program, then in Mouse Properties, select the standard PS/2 mouse.

Disable the pointing stick in BIOS Setup.

Run Setup.exe from the touch-pad subdirectory under \Omnibook\Drivers.

Touch-pad support (PCA or flex cable).

Motherboard.

Touch-pad support (PCA or flex cable).

Motherboard.

Touch-pad support (flex cable).

Motherboard.

Sound does not play

Check settings in BIOS Setup.

Increase sound volume (Fn+UP and software controls).

Check whether mute is active (mute button and software controls).

Check for sound resource conflicts.

Speakers.

Motherboard.

Check operation using headphones or external speakers (audio jack PCA).

3-8

Troubleshooting and Diagnostics

HP OmniBook 4100