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MacBook Air no audio output device found ???????? *please help*

314924 Views 385 Replies Latest reply: Apr 11, 2014 2:31 AM by Paula Hunts RSS
  • iBry Calculating status...
    I have the same issue with my MacBook Air also. It started today out of the blue. Both the speakers and headphones don't work, and the Sound System Preference doesn't show any output or input devices, although the System Profiler does show an Intel High Definition Audio item under the Audio (Built In) section.

    I've also reset, tried booting in safe mode, and erased / reinstalled Leopard but no luck.
    MacBook Air, Mac OS X (10.5.5)
  • tlai573 Calculating status...
    Just experienced this problem as well. I was using Skype and all of a sudden, no more sound. I rebooted it, performed the commandalt+pr, and still nothing. This happened after I updated iTunes.
    MBA, Mac OS X (10.5.5)
  • randallm Calculating status...
    Same here as well. Maybe it's a firmware thing. Has anyone tried to reapply a firmware patch? Can this be done? Please advise.
    Macbook, Mac OS X (10.4.6)
  • Lu Wi Calculating status...
    Same issue with me, more or less upon updating to iTunes 8, but also around same time as updating to 10.5.5. Discovered today (22 October 08). Everything I read above leads me to believe that this is a software issue. My exact situation:
    1) no sound icon in the top menu bar
    2) when I try to adjust audio with volume keys, I get international 'no' symbol at bottom of volume slider icon
    3) in audio control panel, I get 'no output devices found'

    Here's hoping Apple can cook up a patch soon. (Surely they use their own computers and will have had the same problem?)
    iBook G4, Mac OS X (10.5.5)
  • DegM Calculating status...
    Same problem as everyone here, I did some research on the Error code, its a low level problem with the firmware on the chip. I have had my board replaced and I land up with the same problem coming out of sleep mode, I have been able to fix it with Onyx clearing the cache's but sometimes it works and sometimes it doesn't, I am convinced it happens when writing or saving to the chip when coming out/in of sleep mode no fix that I can see...other than this Onyx things..anyone have any other tools that might be of use...
    MacAir, Mac OS X (10.5.5)
  • cletessier Calculating status...
    Hey there,
    same problem here. Sound just stopped working this morning. Apple: would be elegant to address the issue asap, please. MacBook Air ain't exactly cheap!
    Thank you. Claude
    macbook air, Mac OS X (10.5.5)
  • Lu Wi Level 1 Level 1 (0 points)
    OK, so mine is the iBook G4, not the Air, but the issue does seem to be with notebooks (I also run two desk-tops: a six-year old iMac, and one I bought earlier this year both working fine). After restarting the iBook off of the system install CD and doing a couple of re-starts, my audio is back. I don't imagine that I have solved the problem (but maybe I'll be lucky), but this is further evidence that it's software, not hardware. For those of you for whom audio has failed, do you get the start-up tone? If so, surely this indicates that the hardware is working OK. If not, the problem could indeed be hardware or software, but this looks more and more like a notebook software issue.
    iBook G4, Mac OS X (10.5.5)
  • Gary16 Calculating status...
    I called Applecare about the no sound issue on my Air. The tech had me first take headphones and put them in and out of the headphone jack several times to see if that would do anything. It did not. She then suggested I take it to the local repair center. Before we hung up I restarted the Air and there was the startup chime and the sound icon was back. However, later that night the icon disappeared again. Over the next few days it has come and gone, usually on a restart but not always. I plan to check with Applecare again soon since I have a long-term protection plan.
    Mac OS X (10.5.5)
  • HKSC Calculating status...
    I am using a 2.4GHz Macbook Pro and seem to have the same problem after updating a bunch of software including iTune yesterday.

    The start up tone is working and when I boot up the computer from an earlier Carbon Cloned hard drive, sound works perfectly fine. So it's not a hardware issue, I am pretty sure.

    Those in the know, please shed some light to help solve this problem, thanks.
    Macbook Pro 2.4GHz, Mac OS X (10.4.11), 4GB RAM
  • Beto Toledo Calculating status...
    I Have the some trouble.

    No sound
    No play on Youtube
    My Sound Card is on Contets Hardware
    ITunes 8.0.1
    MacBook Air, Mac OS X (10.5.5)
  • jhaddadin Calculating status...
    I'm working IT and came across a Mac laptop with the problems described above.

    No idea about getting the sound restored, but you can fix the YouTube/flash video problem by updating to the latest version of Flash:

    http://labs.adobe.com/technologies/flashplayer10/

    Was there a software update from Apple at the beginning of October that caused all of this?
    Acer Aspire, Windows XP
  • Spectrumman Calculating status...
    I have the same problem, no sound, no sound icon, slow or non-working videos (youtube).

    This seems to have occurred after iTunes 8 install.

    Does anyone have the fix?

    Stupid Apple. Their service simply *****. And I have the AppleCare.
    MacBook Air, Mac OS X (10.5.5)
  • BigRig92 Calculating status...
    I am having the exact same problems with videos along with my sound. Because they're all happenning at the same time do you think maybe it was a problem with an apple update? ... just a thought, im not great with comps
    macbook air, Mac OS X (10.5.5)
  • Gary16 Level 1 Level 1 (0 points)
    This continues to be a mystery. Audio on our Air has been on and off for a couple weeks now. The past 3 days there was no audio despite restarts, etc. This morning the computer was rebooted and -- tada -- the sound came back. No idea how long it will stay or why it came back this time.
    Mac OS X (10.5.5)
  • Brock_Samson Calculating status...
    Still no answer or solution,Does apple even care about the consumer? This problem is really getting frustrating i think it is because of the Update
    MacBook Air, Mac OS X (10.5.5)
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