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User profile for user: jchook
jchook Author
User level: Level 1
0 points

iMac sound card stopped working in Mountain Lion

iMac 24-inch, Early 2008


Processor 3.06 GHz Intel Core 2 Duo

Software OS X 10.8 (12A269)

Built-in Output:

Manufacturer: Apple Inc.

Output Channels: 2

Current SampleRate: 44100

Transport: Built-in


Getting no audio output. I have jiggered the sound settings in System Prefs. No volume control is available. No sound will play through the speakers.


I see the interface in System Prefs and System Profiler.

iMac, OS X Mountain Lion

Posted on Jul 30, 2012 11:33 AM

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User profile for user: Therabyte
Therabyte
User level: Level 4
1,075 points

Posted on Jul 30, 2012 11:45 AM

Try a PRAM reset.


http://support.apple.com/kb/HT1379

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iMac sound card stopped working in Mountain Lion

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