built-in speakers don't work after installing Leopard

Discussion in 'MacBook Pro' started by cleder.perez, Nov 28, 2007.

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  1. cleder.perez, Nov 28, 2007

    cleder.perez macrumors newbie

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    Nov 28, 2007
    #1
    Hey,
    I have a MacBook Pro (15'', Intel Core duo 2.4 GHz, 2GB ram) that I´ve bought in June. Yesterday I upgraded my mac to Leopard and, since then, the built-in speakers haven´t worked. The sound preferences say: "the selected device has no output controls".
    Headphones work pretty well, though.
    Well... I've tried resetting PRAM and SMC, but it did'nt work. I´ve also tried reinstalling Leopard and updating it to 10.5.1. But it didn´t work either.
    So, today I´ve just used the option "erase and install" and reinstalled Leopard, erasing everything from my mac. Well... it didn´t work, and I still can´t make my built-in speakers work.
    Does anyone have any idea about what should I do?
     
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  2. skyrider007, Nov 28, 2007

    skyrider007 macrumors 65816

    skyrider007

    Joined:
    Aug 5, 2007
    Location:
    Bangkok
    #2
    You need to contact AppleCare technical support or take your MBP into an Apple Store.
     
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  3. cleder.perez, Nov 29, 2007

    cleder.perez thread starter macrumors newbie

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    Nov 28, 2007
    #3
    I guess I'll have to do this...
     
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  4. McStupid, Dec 18, 2007

    McStupid macrumors newbie

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    Dec 18, 2007
    #4
    Hello there ..

    I had a similar problem after upgrading last night. I didn't get to the point of reformat / reinstall as I found an easy fix (for my problem anyway!)

    After discovering that whilst my speakers did not work, my headphone-out jack did, I simply cycled that connection a couple of times. Evidently the iBook was fooled into thinking they were still plugged in and had disabled the onboard speakers.

    Good luck. :p
     
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