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Late 2011 model, A1278 / 2.4 GHz i5 or 2.8 GHz i7 processor.

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No audio output detected


I have a big problem with my macbook pro late 2011 with mac os 10.7.5. The problem is : no audio device detected.

So i did all possible solutions found in forums but with no result.

If any one had the same problem and he found solution plz shar.

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You could try a USB Audio Dongle..(adaptor). USB audio runs on different chips... if the adaptor is discovered it would have line in/out ports... BTW some of the adaptors are also microphones.

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Thank's for your answer.

But i'd like to know if its a driver problem or material problem.


Sorry to delay replying - was supposed to have been notified you commented. Either I missed it, or, it's still in the aethernet.. anyway must be hardware if all the software fixes failed. There are no software fixes for hardware problems.


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