crwdns2934241:0crwdne2934241:0 donmoron

crwdns2934249:0crwdne2934249:0:

looks like the GPU, i had similar problem - check here: http://forums.macrumors.com/showthread.php?p=16361152#post16361152

crwdns2915684:0crwdne2915684:0:

open