crwdns2933897:0crwdne2933897:0

Why did my tab stop on boot menu?

my tab is stuck at the boot menu.i installed a custom rom and restarted the device.after that tab is stuck on boot menu.i already tryed the volume up button+power button,but nothing showing.plz help me,plz tell a solution fast.

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

crwdns2934109:0crwdne2934109:0

crwdns2853045:0crwdne2853045:0 crwdns2853046:0crwdne2853046:0
crwdns2889612:0crwdne2889612:0 0
crwdns2934285:0crwdne2934285:0