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Sound Not Working

122 Views 1 Reply Latest reply: May 14, 2013 2:45 AM by dominic23 RSS
e_bear Calculating status...
Currently Being Moderated
May 13, 2013 6:05 PM

Hey. I've been using my Mac and have encountered problems with my audio. This is what happens when I try to adjust volume:


Screen Shot 2013-05-13 at 9.00.08 PM.png

I don't know why this is. A picture of the Audio in Audio MIDI Setup:


Screen Shot 2013-05-13 at 9.01.10 PM.png


Is my audio misconfigured?


A picture of the sound settings:


Screen Shot 2013-05-13 at 9.02.25 PM.pngScreen Shot 2013-05-13 at 9.02.33 PM.png


If someone could help me with this, it'd be great!


I think all the necessary information is included, so this should be a quick fix if you know what is wrong. Thanks!

OS X Mountain Lion (10.8.2), Sound
  • dominic23 Level 6 Level 6 (18,500 points)
    Currently Being Moderated
    May 14, 2013 2:45 AM (in response to e_bear)

    Images are not visible, unfortunately.


    Hopefully one of these steps should solve the problem.

    1. System Preference > Sound > Output > Internal Speakers

        Highlight  Internal Speakers / Headphones

        Make sure Mute is not enabled.


    2. Remove the headphone.


        If you see red light in the headphone port, plug the headphone

        in and out of the port 5 or 6 times to flip the microswitch inside.

        Sound output may be stuck in the digital mode.




    3. Reset PRAM.


    4. Reset SMC.


        Choose the method for:

        "Resetting SMC on portables with a battery you should not remove on your own".


    5. Applications > Utilities > Audio MIDI Setup


        Audio Devices window

        Side Bar

        Click the Built-in Output.


        Under Mute any of the boxes checked? If so, uncheck it.


        Option click the speaker icon, if present and select Internal Speakers.


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