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I have no stereo sound on my MBP, speakers or headphones.

I have a 15 inch MBP from 2010. Just recently I noticed that when I play audio that is different on left and right speakers, it plays it on both sides anyway. I tried Youtube videos, iTunes music, different pairs of headphones, and the built-in speakers. Still it only plays like there is only one speaker attached. Can anyone help me?

MacBook Pro, Mac OS X (10.7.5), 15 in high res dis mid2010 128 hdd

Posted on Jul 3, 2013 1:19 AM

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Posted on Jul 3, 2013 3:27 AM

System Preferences > Sound > Output > Internal Speakers


Settings for the selected device:


Balance:


Make sure that the slider is set at middle.



Playing stereo as mono?


http://support.apple.com/kb/PH4443

3 replies

I have no stereo sound on my MBP, speakers or headphones.

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