crwdns2934241:0crwdne2934241:0 Majesty

crwdns2934249:0crwdne2934249:0:

If you connected to an external monitor and got no picture then that would be a logic board or GPU issue, plus you say that the new I/O board charges the battery, so all signals point to a bad board.

crwdns2915684:0crwdne2915684:0:

open