1 Reply Latest reply: Aug 27, 2012 2:43 PM by CMCSK
Rob Cross Level 1 Level 1

I had just installed Mainstage from the App store and had loaded the app.


Nothing else was running at all and I left my Mac downloading a new sound set. When I came back, 20 mins later, my computer had turned itself off and now won't turn back on again - not even in safe mode. It comes up with the Apple logo and then turns itself off immediately.


Someone please help ...

MacBook Pro, OS X Mountain Lion (10.8.1)