HP nc4000 - Notebook PC Maintenance And Service Manual page 49

Flowchart 2.15—No Audio, Part 1
No audio.
Notebook in
docking station
(if applicable)?
N
Go to
Section 2.16,
No Audio, Part 2.
Maintenance and Service Guide
Turn up audio
internally or
externally.
Y
Undock
Go to
Section 2.17,
Nonfunctioning
Device.
N
Internal
Y
Replace the following docking station
components one at a time as applicable.
Check audio status after each change.
1. Reseat docking station audio cable.
2. Replace audio cable.
3. Replace speaker.
4. Replace docking station audio board.
5. Replace backplane board.
6. Replace I/O board.
Audio?
N
Y
Audio?
N
audio?
Y
Troubleshooting
Done
Go to
Section 2.16,
No Audio, Part 2.
Done
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