Vertical Lines Through Numbers

I have vertical lines on the numbers and some of the screens on my TI84 plus. I tried doing a reset, took the batteries out. It only appears when I start typing.

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

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 1

crwdns2944067:02crwdne2944067:0:

crwdns2934271:0crwdnd2934271:0crwdne2934271:0

the screen may need to be replaced then sorry dude

crwdns2934271:0crwdnd2934271:0crwdne2934271:0

crwdns2934285:0crwdne2934285:0