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How to - No HDMI Sound Under OS X Lion Using A Mini DisplayPort or Thunderbolt Adapter?
11:37:00 PM 1) Shut down your Mac totally.2) Locate (but don’t press) the following keys on your Mac’s keyboard: COmmand, Option, P and R. Put your fingers over them, but don’t press them yet.3) Turn on your computer.4) Immediately after turning on your computer, hold down Command+Option+P+R. This must be done before you see the gray boot up screen.5) Hold down the keys. If you...