My lumia 535 dual sim phone screen is not lighting up, what could be the problem?

[Windows Central Question]

i am currently unable to operate my phone as my screen is not lighting up

 

[Roland Schlangen]

Please tell more details. When did this happen? What did you before the screen didn't light up?
Perhaps you drained your battery. In that case leave it charging for at least 4 to 6 hours.