Samsung np700z7c-s03us black screen do i need a new battery?

[Justanotherpclover]

I know that my HDD,LCD,RAM,GPU,CPU all work! but there is this black screen that came, i don't know if i need a new battery or not.
Also i am on windows 10, please help me and thank you, I am asking that i have a black screen on my samsung, I don't know if i need a new battery,HDD,or RAM. Please and thank you.

 

[webworkings]

Well, a black screen can happen for many reasons.

Does the computer show any signs of life? (power lights, fan sounds, other internal sounds, etc.,) or does nothing at all happen?