crwdns2934241:0crwdne2934241:0 PohTayToez

crwdns2934249:0crwdne2934249:0:

Could be a RAM issue.  On this model I believe that there is one stick on the bottom and one underneath the keyboard.  Try removing one at a time to see if either might be causing the problem.

crwdns2915684:0crwdne2915684:0:

open