1 Reply Latest reply: May 21, 2013 2:07 PM by BDAqua
Kiannbv Level 1 (0 points)

   command R does not work to boot my system? what can i do? but also the cloud sign do not appear , so what is the problem?

In addition, i took out the hardware ,RAM and also keyboard , but nothing did not happend.Moreover the safemode also could not help us.

iMac, Mac OS X (10.7.5)