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Q: Sound controls unresponsive on LED Cinema Display

I can barely hear the sound output from my LED Cinema Display (Thunderbolt). Mute and volume controls have no effect on sound output. Switching to internal speaker works fine. Not sure how long this has been going on, but just noticed it today.

MacBook Pro with Retina display, OS X Yosemite (10.10.1)

Posted on Dec 23, 2014 7:35 PM

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Q: Sound controls unresponsive on LED Cinema Display

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