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Posted on Mar 08, 2013
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I have no sound on my MacBook air. HELP! The Mute button in Sound is dimmed. And the screen displays: NO DEVICES FOUND. PLEASE HELP!

I've tried Restarting and Shutting Down my computer several times.

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phreak_68

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  • Posted on Nov 10, 2013
phreak_68
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Go in to the "applications>utilities" folder. Run the "Audio/MIDI Setup" program. Insure the audio out is actually going to the audio out.

1 Related Answer

Anonymous

  • 481 Answers
  • Posted on Oct 28, 2009

SOURCE: MacBook Air sound/disappeared

This is a widespread hardware issue with the MacBook Air. You are not alone. See:
http://discussions.apple.com/thread.jspa?threadID=1736638&tstart=15
Some users report that replacing the Audio Board Flex Cable corrects the problem, but others report that the correction is only temporary.
If your machine is still under warranty, I would get it back to an Apple repair facility immediately. If it is not, you will still need to get it to a repair facility, but bring along the above URL and suggest that Apple treat it as a warranty extension issue.

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How do u make the mute turn off? It was playing find with cd's and when I placed the dvd in, I noticed no sound and a speaker with a X through it was on the screen. I've tried pressing the mute...
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Apr 12, 2012 • Jensen Car Audio & Video
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Mar 21, 2012 • LG Televison & Video
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Macbook air always on mute. can't change it--no sound
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Aug 18, 2011 • Apple MacBook Air
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My internal Speakers are muted and when I go into System Preferences the mute button is check but it is grey, so it will not allow me to uncheck. In the sound folder it simply says "no output devices...
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Jul 06, 2011 • Apple MacBook Air
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Unable to un-mute macbook air. I went in system preferences/sound and it says there are no output devices. I also tried turning off the computer several time to no avail.
Press the F10 Button
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Apr 29, 2011 • Apple MacBook Air
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I wonder if you can help or point me in the right direction please the sound has vanished on my mac air. In preferences the mute is permanently marked and greyed out. In the output box ?no output devices...
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That should do it.
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May 19, 2010 • Apple MacBook Air
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We have no verbal direction on our garmin nuvi 260 & it is not on mute. This Garmin is 1 yr old & we have not had this problem in the past. It has not been used for awhile & when we plugged it...
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If the mute button is not ‘ticked’, you will need to change the voice to ensure that the preset voice is not faulty:
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http://www8.garmin.com/support/collection.jsp?product=999-99999-27

Once updated please allow the unit to reboot which will ensure the software successfully installs.

If after following all the above the final steps would be to perform a master reset:

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Nov 01, 2009 • Garmin nuvi 260W GPS Receiver
3helpful
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MacBook Air sound/disappeared
This is a widespread hardware issue with the MacBook Air. You are not alone. See:
http://discussions.apple.com/thread.jspa?threadID=1736638&tstart=15
Some users report that replacing the Audio Board Flex Cable corrects the problem, but others report that the correction is only temporary.
If your machine is still under warranty, I would get it back to an Apple repair facility immediately. If it is not, you will still need to get it to a repair facility, but bring along the above URL and suggest that Apple treat it as a warranty extension issue.

Read full answer
Sep 30, 2009 • Apple MacBook Air
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We lost sound on our Sansui TVD2798 even though the speakers work. Mute button has no effect. Using the remote, we can't find any option for sound off or on.

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