4 Replies Latest reply: Apr 12, 2013 2:34 PM by Pavester
Pavester Level 1 Level 1 (0 points)

Started while I was using computer.  Screen grayed out and note popped up saying I needed to shut down and startup the computer using the power button on the back. 

Get usual startup sound and white/gray screen, and then repeating three warning tones.  Nothing else.  Tried using startup disk with "C" button to no avail.

iMac (24-inch Mid 2007), iOS 6.1.3