My phone turns on but screen is black (i know its cliche)

Feb 4, 2019
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So everyhing was normal. I did not dropped my phone or anything but when tried to open it i saw black screen. I restarted the phone but it didnt work out. I see lights but no screen. I dont know what happened but maybe i broke it when i was sleeping? Help me please?
 
If it is showing nothing on the screen, then it needs to be looked at by a tech. Either through the manufacturer (if under warranty) or a local tech if not.