If LCD light is not working in HTC one
M8 then we will not be able to watch any text on display. light can be dim or
may be blank.HTC one M8 LCD Display Light IC Solution Jumper Problem Ways can
be solve in a few steps as given in this post.
After disassembling HTC one M8 cheek mother board if there is any carbon water damage or rust. Clean whole board with electronics cleaner and then apply hot air for a few mints so that it can be dry.
Replace led if it is a jack LCD and if
it is pasted then after removing check its prints value. If value is ok then replace
LCD and if aloe is missing then check whole parts components as even in above diagram.
Check all paths and if any tracks of them are missing apply jumpers.
It will help you to solve HTC one M8 LCD
Display Light IC Solution Jumper Problem Ways easily.