Sorry for the extremely long responds!! I appreciate you guys having suggestions about this, but my problem still remains. I used the normal cable instead of the DVI one for awhile but have switched back to DVI to see if I could do anything about the "flickering".
Anyway, I've tried to lower the resolution and the problem still remains even though I go down to 800x600, 1024x768, so it doesn't seem to be a resolution question. Anyone else who has a comment on this?
ATI did have an issue with blanking video but I didn't think it was with this video card. At any rate make sure you've downloaded their latest driver.
Did the issue appear with VGA?
Can you verify with another system or different graphics card?
Typically monitors should not flash video unless the sync signals are unstable from the graphics card. You normally see this when the system is first booting up with the mode changing.
So my thinking is that:
1) signal dropout from graphics card, or
2) defective monitor, sync detection circuitry most likely culprit
Graphics drivers can fix this type of issue these days as they control many many functions including signal integrity parameters.
Let me know what you find out.
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