11/3/2023 0 Comments No audio macbook pro hdmi 2011How’d it work for you? Let us know in the comments. Using the above steps, I got HDMI sound working on my MacBook Air as well as my girlfriend’s MacBook. Mac computers that have a built-in HDMI port support these video and audio specifications: Up to 8K at 60Hz on compatible Mac models. Your sound should now hopefully be working through HDMI under OS X Lion. Plug in your Mini DisplayPort or Thunderbolt to HDMI adapter, make sure that HDMI is selected as your Sound output in System Preferences and give your Mac a whirl. Once you’ve flushed both the SMC and PRAM, allow your Mac to boot properly. The instructions on doing this vary from computer to computer, but Apple’s got a great support document that explains how to reset the SMC on any Mac you own. If you do this correctly, your Mac will restart and you’ll hear the startup sound a second time.Ĭongrats, your PRAM’s reset! Now let’s reset the SMC for good measure. This must be done before you see the gray boot up screen.ĥ) Hold down the keys. Put your fingers over them, but don’t press them yet.Ĥ) Immediately after turning on your computer, hold down Command+Option+P+R. What you need to do are flush out your Mac’s PRAM and SMC, resetting them.Ģ) Locate (but don’t press) the following keys on your Mac’s keyboard: COmmand, Option, P and R. The fix is fairly simple, but it might take a few times.
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