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  1. #1


    Member Since
    Feb 17, 2012
    Posts
    1
    No output or input sound
    Hello, I have a 2008 macbook. The audio input and internal mic recently stopped working. I went to the audio/midi set-up pane and checked to see if everything was correct, as it was. I noticed that the M (mute) fader in the audio input section of audio devices is stuck to the left position. I can't move it or change any of the values. I am starting to think that my logic board is fried. Does anyone know how to fix the problem without replacing the board?

    Thanks

  2. #2

    chscag's Avatar
    Member Since
    Jan 23, 2008
    Location
    Fort Worth, Texas
    Posts
    48,282
    Specs:
    Late 2013 27" iMac, iPad 3, iPhone 6s+, iPhone 6+, 3 iPods, El Capitan
    Try a PRAM reset to see if that gets the sound adjustment back to normal.

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