0 Replies Latest reply: Dec 27, 2012 5:16 PM by wshscoach
wshscoach Level 1 (0 points)

A gray screen appears at start up with the apple icon, and an "update" bar.  The update seems to happen but then just after completion the computers powers down.  What do I do?

iMac (21.5-inch Mid 2011), OS X Mountain Lion (10.8.2)