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Monitor keeps getting dark

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5 replies

by jseekell

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On a co-worker PC, the contrast has to be ajusted several times a day. I tried three different monitors and they all do the same thing. What test can I perform to test the video card to see if it is the culprit.

5 replies

by syscokid

Put the video card in another computer. If it happens to that other computer, it's the card.

by ann777

The previous poster is correct. Put the video card in another computer and test to see if the problem follows the card.

You could also put the monitor on another computer and see if the problem follows the monitor.

In my experience though, the monitor itself (monitor is beginning to go bad) is usually the problem where contrast, sharpness, and other visual problems are involved. If it's the video card, you see other things... like horizontal/vertical lines scrolling consistently.

It sounds as if this monitor is getting worse as it warms up. Probably the monitor.

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