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HP Elitebook 6930p announced in September 2008 and was one of the first generation EliteBook laptops. It was advertised as the first laptop to break the 24 hour battery life barrier.

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screen blackout , computer on

When I move the Screen up and down the brightness goes down for no reason, even with small move the brightness goes down, and sometimes it goes off it becomes all black like it's closed even when it's open

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1 Answer

well restart the computer and hold down the d key this show perfume a test that shows colors. Iff these colors are visible then there is a software problem.

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no it's a hardware problem i'm sure of that, cause the problem happens when I move the cover with just a slight move, it goes black and I had to move it again back and forth to get its brightness back

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