crwdns2934241:0crwdne2934241:0 mayer

crwdns2934249:0crwdne2934249:0:

Try disconnecting the battery and power adapter.  Press and hold the power on button for 10 seconds.  Reconnect the battery and power adapter and see if it boots.

crwdns2915684:0crwdne2915684:0:

open