Why is my pioneer MVH-1400NEX screen black?

The screen is black and won’t turn on. The battery was dead for a bit and then I installed a new battery. The head unit is brand new still and only used a few times before battery went dead.

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0
crwdns2934285:0crwdne2934285:0