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sound device electrical logic board

  1. T

    No sound input or output devices found

    I had my laptop plugged in via a jack to a large speaker, when I plugged the speaker in to the wall (via and extension plug) everything immediately cut out, the speaker powered off and the macbook turned off and immediately restarted. Now I have no sound on my macbook and when I open up sound...
    • trada17
    • Thread
    • sound device electrical logic board
    • Replies: 6
    • Forum: MacBook Pro
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