Help - Volume buttons not working at all...

Discussion in 'Mac Pro' started by Billy1985, Jul 21, 2011.

  1. Billy1985 macrumors newbie

    Jul 21, 2011
    Hi All,

    I'm really REALLY struggling with this and I'm really hoping somebody somewhere can help me...

    I had my Macbook Pro on this morning and everything was fine, could listen to music, watch stuff on youtube etc...Went out and came back this afternoon and got an update for Itunes...I think it was only Itunes...unfortunately I never really pay much attention to these things, I've been so impressed with Apple and being a new Mac user that I have no reason to be suspicious/cynical of updates.

    After the update had completed, and my Mac restarted, I went to get to work only for the screen to be frozen, I restarted several times and the same thing happened. Until I left it for a few minutes and then I could open applications and have some kind of basic functions, however, the volume buttons F10, F11, F12 did not work and also F5 and F4, the key board brightness...BUT after a few more restarts the key board brightness buttons are strangely, back in business. But I've had NO luck with the volume.

    I've reset the PRAM and NVRAM...I've pulled this system preference file "" onto the desktop which was suggested on another site...

    When I hit the volume keys, the attached picture appears - its soul destroying!

    Any help would be greatly appreciated as I'm at the end of my tether! And I want to listen to music real bad!

    Kind Regards,


    Attached Files:

  2. derbothaus macrumors 601


    Jul 17, 2010
    This appears to be a bug. If you go to activity monitor and kill the coreaudiod process twice. Not sure why you need to do it twice but it will get your volume control back. You have to do this after every reboot:mad:
    Most likely will get patched pretty soon. Only affect certain chipsets as I don't have the issue on my 2008 MBP.
    You can probably script an executable to run a "killall coreaudiod" or something if the process gets to be a pain. I believe the PID changes.
  3. ActionableMango macrumors G3


    Sep 21, 2010
    This is the Mac Pro forum. You might have better luck getting answers on the Macbook Pro forum.

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