HP (Hewlett-Packard) NX9500 ユーザーズマニュアル

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Troubleshooting
Maintenance and Service Guide
2–27
Flowchart 2.15—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
Go to
Go to
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