Coloured lines through screen

My son dropped his tablet on a tile floor. Now there are colourful lines through screen. Nothing cracked. Is there an easy fix for this?

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

crwdns2934109:0crwdne2934109:0

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