problem with integrated speakers

Question

Level 1

0 points

my imac is 6 month old.The integrated speakers are silent and i can not find them in systems - sound.

After putting headphones in and restarting the sound can be choosen in systems.

It works till the next start .

What s wrong ?

Thxx from germany.

iMac, Mac OS X (10.7.4)

Posted on May 29, 2012 2:00 AM

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Answer 1

Level 5

4,522 points

Please try:

SMC RESET

PRAM RESET

Shut down the computer.
Locate the following keys on the keyboard: Command, Option, P, and R. You will need to hold these keys down simultaneously in step 4.
Turn on the computer.
Press and hold the Command-Option-P-R keys. You must press this key combination before the gray screen appears.
Hold the keys down until the computer restarts and you hear the startup sound for the second time.
Release the keys.

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