crwdns2933897:0crwdne2933897:0

White horizonal line on my Vizio

I took my tv off the mount to clean and dust and when I put it back on it now has a white horizonal line across the top middle of the screen. Any suggestions?

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

crwdns2934109:0crwdne2934109:0

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