Symptom
Audio
Call Center: | Repair Center: |
Suggestions | Likely Causes |
Repair Center: Comments
Sound does not play
Sound does not record
Serial/Parallel
General problems
Infrared
General problems
USB
Check settings in BIOS Setup.
Increase sound volume (Fn+UP and software controls).
Check whether mute is active (Fn+F7 and software controls).
Check for sound resource conflicts in Device Manager (Windows 95/98) or Administrative Tools or Control Panel System (Windows NT).
Check settings in BIOS Setup.
Check software controls for
Note: The microphone should normally be muted in the master output panel.
Check settings in BIOS Setup.
Check settings in Control Panel (and in Windows NT Diagnostics).
Infrared communication is not supported in Windows NT 4.0.
Infrared is disabled when shipped. Drivers are included but not installed when shipped.
Check settings in BIOS Setup.
Standard IrDA and
For
Speaker.
Motherboard.
Top case (microphone).
Motherboard.
Motherboard.
Motherboard.
Check operation using headphones or external speakers.
Check operation using external microphone.
Use loopback connector during
General problems
USB is not supported in | Motherboard. |
Windows NT 4.0. |
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HP OmniBook 900 | Troubleshooting and Diagnostics |