Why is my Galaxy S5 display screen black?

[AC Question]

my galaxy s5 wont display screen its black

my samsung galaxy s5 wont display screen and earlier i found instructions and it worked yet now it happened again?

 

[B. Diddy]

Re: my galaxy s5 wont display screen its black

Welcome to Android Central! Can you tell if the phone actually powers on, and the screen just doesn't want to turn on? Or does the phone seem dead? What instructions are you talking about?