My sound is locked and won't work
Hey guys.
I'm running on the first, early 2006 macbook with OS X 10.6.8.
Normally the sound works fine and i have never had a issue until now. when i try to ajust my volume uisng F3 and F4 the speaker which normally shows is black not white, it shows its at full folume and wont let me change it?
MacBook, Mac OS X (10.6.8)