Why does my HTC 816 have a white display only?

[AC Question]

my htc 816 only white display

plz help me my htc 816 not trun on only white screen

 

[B. Diddy]

Welcome to Android Central! See if you can boot into the bootloader. If so, select Recovery, and wipe the cache partition.

https://www.youtube.com/watch?v=ceVfRzK2IhM