MacBook Pro Sounds Not Working

Discussion in 'MacBook Pro' started by godivachoc, Mar 1, 2013.

  1. godivachoc

    godivachoc Active Member

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    Guys,

    my mac keeps on having this problem but sometimes spontaneously resolves itself. I keep running repair on disk utility and it always finds problems... (Happened before already). My sounds suddenly stop working.

    I've tried resetting PRAM already. I can't leave it in for repair (I bought apple care for this -- MBP 13" base 2011 so it's still under Apple care). Can't leave it with an Auth Apple Service center cause I have classes and I need this...

    Any advice on how to fix this? I've already tried the headphone/earphone 'trick.' No luck.

    I don't know how it gets fixed spontaneously before... it sucks cause I really need this now to edit a video.

    Thanks in advance!
     
  2. guwapito

    guwapito Well-Known Member

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    i had this problem before but this might help you:

    Open a console and type in :

    sudo chown -R _coreaudiod:admin /Library/Preferences/Audio

    This will fix permissions.

    Then type in:

    sudo update_dyld_shared_cache -force

    This will clear and rebuild dyld (dynamic linker)

    And finish with:

    sudo killall coreaudiod



     
  3. godivachoc

    godivachoc Active Member

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    Hmm nope... doesn't work :(
     
  4. erwingle

    erwingle Member

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    Is the line in for audio/headphones lighted red?
     
  5. putakti

    putakti Active Member

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    did you try resetting or clearing the pram?
     

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