OS X Headphone jack issue [closed]
- by Alex Coady
Possible Duplicate:
Optical Audio out stuck on on a MacBook
When I plug my headphones into my iMac (27-inch, Mid 2011; OSX 10.8.1) and try to adjust the volume, the volume popup shows a greyed out speaker and there's a circle with a line through it signalling that it isn't working.
I've tried the headphones with my iPhone, other iMacs etc…