Audio Controller Dead?

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DT523

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Oct 3, 2016
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A buddy of mine has a MacBook Air (late 2013) A1466. About 2 days ago, the audio was fine. Now it won't recognize the audio devices at all and there's a loud feedback sound when you plug in headphones. He is a Fire Chief and he uses this for presentations, so he definitely needs audio back. Any ideas?
 

yourilevoye

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Jan 6, 2017
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tried to conect audio via usb?
For example: I have a external mic that conects via USB. I can plug in my earpods directly into the mic. Maybe try something like that? Then u know if it is the audio card of the laptop or something else.
 

DT523

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Oct 3, 2016
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I don't have USB audio device. The speakers also don't work, forgot to mention that. But when I connect via HDMI, it will recognize and use the audio travelling on that
 
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