The problem is with the Nvidia video card that is built into the board.
You can have it fixed but you need to find someone who can properly resolder a BGA (Ball Grid Array).
If you google HP DV7 black screen you will find all kinds of information on the subject.
Repair costs for this problem average $200
Also, you may want to contact HP for assistance. They "MAY" cover this under warranty. Look towards the bottom, "Graphics controller not functional"
You can have it fixed but you need to find someone who can properly resolder a BGA (Ball Grid Array).
If you google HP DV7 black screen you will find all kinds of information on the subject.
Repair costs for this problem average $200
Also, you may want to contact HP for assistance. They "MAY" cover this under warranty. Look towards the bottom, "Graphics controller not functional"

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