HP Pavilion dv4000 Maintenance And Service Manual page 53

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