HP Nc4000 Maintenance and Service Guide: HP Compaq Notebook nc4000 Series - Page 49

Flowchart 2.15—No Audio, Part 1

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Troubleshooting Flowchart 2.15-No Audio, Part 1 Y No audio. Turn up audio internally or externally. Audio? Done N Y Notebook in docking station (if applicable)? N Go to Section 2.16, No Audio, Part 2. Undock N Internal audio? Y Go to Section 2.16, No Audio, Part 2. 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. Go to Section 2.17, Nonfunctioning Device. Y Audio? N Done Maintenance and Service Guide 2-25

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Troubleshooting
Maintenance and Service Guide
2–25
Flowchart 2.15—No Audio, Part 1
No audio.
N
Notebook in
docking station
(if applicable)?
Internal
audio?
Audio?
Done
Undock
Audio?
Done
Turn up audio
internally or
externally.
Go to
Section 2.16,
No Audio, Part 2.
Go to
Section 2.16,
No Audio, Part 2.
Go to
Section 2.17,
Nonfunctioning
Device.
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.
Y
Y
Y
Y
N
N
N