Why isn't my screen responding to touch?

I forgot my password, so I rebooted the device. After the reboot, the screen stopped responding to touch. It is a tablet dvd player combo.

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

crwdns2934109:0crwdne2934109:0

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