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Mid 2012 model, A1278 / 2.5 GHz i5 or 2.9 GHz i7 processor.

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MD101LL/A with no sound behaves unusually

Hi All!

Got an MD101LL/A with audio icon greyed out, i.e. "no audio devices found". Usually this would be resolved by flipping over the digital audio in the headphone jack, but strangely, sticking a screwdriver in the headphone jack makes the laptop fall asleep. Removing it wakes it up. The audio icon stays greyed out and does not change even temporarily. The board looks clean -- I removed it and see nothing unusual.

Any ideas?

Thanks

Answer this question I have this problem too

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John, does it do it in safe mode or booted from an external?

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2 Comments:

Hey, how's it going? :-) Yes it does still do it in both situations. I'm assuming it's probably a board issue at this point.

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I've got a 2010 13" with the same issue. Having to sell it to someone with one interest in audio.

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rdklinc will be eternally grateful.
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