3 Replies Latest reply: Apr 30, 2012 10:22 AM by Klaus1
bird dog 7 Level 1 Level 1

My sound output preference is set to mute and is highlighted in light gray so that the preference can't be changed. Also, simultaneously, the sound control in the toolbar is gone and is replaced with an eject symbol that responds "SuperDrive F12" when clicked on. Any help would be appreciated.

iMac, Mac OS X (10.6.8)