My mute key isn't working properly

Discussion in 'MacBook Air' started by rbf1138, Jul 12, 2012.

  1. rbf1138 macrumors 6502

    Joined:
    Dec 22, 2007
    #1
    The icon comes up on the screen when I hit F10/Mute on my 2012 Air, but it doesn't silence the sound. I've used a USB DAC so that may have changed some functionality, but I've checked in my sound settings and I've set it back to the default output but it's still not working. Any ideas/fixes?
     
  2. rbf1138 thread starter macrumors 6502

    Joined:
    Dec 22, 2007

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