The screen goes dark

[yolokidzz]

my z3 screen suddenly gone dark n i dunno what happened can somebody help me to solve this problem?

[_alexdon_]

Press power button and volume up until the device vibrates 3 times. It will turn off. Charge it for 1 hour and turn it on.

[SophiaW]

Hi yolokidzz, welcome to the community!

Follow alexdon's advice & report back once you have tried this - I do hope it helps. 

[36Chambers]

Proposed remedy from 'Moderator' Alexdon:

Press power button and volume up until the device vibrates 3 times. It will turn off. Charge it for 1 hour and turn it on.