- Jul 22, 2012
- 37,494
- 32,580
It's probably the RAM. You might wanna a do SRAM reset.
give this a try and let us know what happens
http://osxdaily.com/2010/03/24/when-and-how-to-reset-your-mac-system-management-controller-smc/
SRAM/PRAM reset is always a good first step in troubleshooting your Apple hardware.