crwdns2934241:0crwdne2934241:0 mayer

crwdns2934249:0crwdne2934249:0:

Try hooking it up to an external monitor to try to isolate the problem. Let us know your results please.  Was the book open when it dropped?  Can you still see the desktop when it goes dark?

crwdns2915684:0crwdne2915684:0:

open