computer wont start. three beeps in a row
computer wont start. gives a sound, three beeps in a row. stops, starts again
MacBook Pro with Retina display, OS X Mountain Lion (10.8.2)
computer wont start. gives a sound, three beeps in a row. stops, starts again
MacBook Pro with Retina display, OS X Mountain Lion (10.8.2)
computer wont start. three beeps in a row