crwdns2933897:0crwdne2933897:0

zenfone 2 laser brightness dont change

my zenfone laser 2 brightness dont change and it stays alway high and because of that phone hits up too much.. screen start blinking after it gets hits up. this problem showed up after i dropped my phone but nothing is broken.

DOES ANYONE HAVEE ANY IDEA WHY THIS IS HAPPENING OR WHAT IS THE PROBLEM?

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

crwdns2934109:0crwdne2934109:0

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