Middle of screen not working?

The middle of my screen wasn't recognizing touch. Then I replaced the screen and I have the same problem. Does anyone have any ideas as to why or what to do?

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

crwdns2934109:0crwdne2934109:0

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