HP (Hewlett-Packard) dv1000 Laptop User Manual


 
2–24 Maintenance and Service Guide
Troubleshooting
Flowchart 2.17—No Audio, Part 1
No audio.
N
Notebook in
expansion base
(if applicable)?
Internal
audio?
Audio? Done
Undock
Audio? Done
Turn up audio
internally or
externally.
Go to
“Flowchart
2.18—No Audio,
Part 2.”
Go to
“Flowchart
2.18—No Audio,
Part 2.”
Go to
“Flowchart
2.19—Nonfunctioning
Device.”
Replace the following expansion base
components one at a time, as applicable.
Check audio status after each change.
1. Reseat expansion base audio cable.
2. Replace audio cable.
3. Replace speaker.
4. Replace expansion base audio board.
5. Replace backplane board.
6. Replace I/O board.
Y
Y
Y
Y
N
N
N