3 Replies Latest reply: Sep 13, 2012 4:17 PM by fernaft
fernaft Level 1 Level 1

How can i use the AHT in MAC OS X Mountain Lion ??

iMac, OS X Mountain Lion (10.8.1), iMac 21.5 - inch, Late 2009
Solved by Linc Davis on Sep 13, 2012 4:04 PM Solved
The same way you always did. Insert the gray disc that came with the machine and has the AHT on it. Reboot and hold down the D key at the chime.