crwdns2933897:0crwdne2933897:0

Why are sections of my screen unresponsive?

There are parts of my screen that no longer respond when touched - which is extremely frustrating as I can't enter my parent pin code and can't reset it on the actual website.

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

crwdns2934109:0crwdne2934109:0

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