9 Replies Latest reply: Feb 11, 2014 4:04 PM by Neville Hillyer
Jace128 Level 1 Level 1 (0 points)

Kernel Task is using 600% of my CPU. When I try to quit the process in Activity Monitor, the QUIT icon is greyed out....?

MacBook Pro with Retina display, OS X Mountain Lion (10.8.5)