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Dead pixel or Video card problem?

Last response: in Graphics & Displays
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September 26, 2011 4:42:08 PM

Hello,
I have a rectangle on my screen about 1/4 in x 1in. First I thought dead pixels, but it's moving randomly around the screen. Thoughts?
a b Î Nvidia
a c 164 U Graphics card
September 26, 2011 6:08:57 PM

Have you tried a different monitor and/or a different video card? If it's moving around it's probably a bad video card.
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a b U Graphics card
September 26, 2011 6:34:50 PM

I'm sorry but your description is pretty vague. You have a black rectangle? Its moving constantly, or every time you start your pc? It happens both in 3D applications and 2D (desktop)? Does it happen before windows loads?
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September 27, 2011 1:22:02 AM

Sorry, I will try to do better.

It is a gray rectangle. It moves randomly during the day. Sometimes disappears all together, then come back hours later.
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September 27, 2011 1:23:00 AM

hang-the-9 said:
Have you tried a different monitor and/or a different video card? If it's moving around it's probably a bad video card.


Unfortunately I don't have a spare display or card. Although it looks I may have one soon.
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