HP DV1000 nx4800 manual Flowchart 2.17-No Audio, Part

Troubleshooting

Flowchart 2.17—No Audio, Part 1

Y

No audio.

Turn up audio

internally or

externally.

Audio?

N

Done

Y

Notebook in

expansion base (if applicable)?

N

Undock

N

Internal

audio?

Y

Go to

“Flowchart

2.18—No Audio,

Part 2.”

Go to

“Flowchart

2.18—No Audio,

Part 2.”

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

Go to

“Flowchart Audio? 2.19—Nonfunctioning

Device.”

N

Done

Maintenance and Service Guide 2–23