TroubleshootingSymptom Charts/Sound - 15

Sound

No sound from

1

Verify that mute mode is not enabled.

speaker(s)

2

Verify that volume setting in Control Panel is above 0.

 

3

Verify no external speakers or headphones are plugged in.

 

4

Make sure speaker cable is plugged into sound card.

 

5

Replace sound card.

 

6

Replace speaker(s).

 

7

Replace I/O logic board

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Apple M4753 manual Sound