Phone display gone white

It's a display problem only becz screen only gone white but by listing sound I think phone is working good.

If anybody know about the 2690 model's motherboard component description, then I could try to fix that.

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

crwdns2934109:0crwdne2934109:0

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