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Thread: No output or input sound

  1. #1

    Member Since
    Feb 17, 2012
    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?


  2. #2

    chscag's Avatar
    Member Since
    Jan 23, 2008
    Keller, Texas
    Try a PRAM reset to see if that gets the sound adjustment back to normal.

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