crwdns2934241:0crwdne2934241:0 roxanne

crwdns2934249:0crwdne2934249:0:

I just took my computer into the apple store this morning because it was doing exactly what you mentioned, and they told me I needed a new logic board.  I don't know if that is what is going on with yours, but it sounds the same.

crwdns2915684:0crwdne2915684:0:

open