In windows I get red dots around the text. Sometimes I get green
vertical lines. They are not real big, but noticeable. You can "erase"
them by shrinking and expanding the page. In Quake 3, I get vertical
bars that appear to be part of other background, but it plays fine.
Some images seem transparent in old games like Heritic. Games like
Quake 4 are on drugs and not playable. The card is 4 years old.
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This could be but I suspect that you monitor is needing service. 1. To isolate connect a known good LCD to the pc graphics card ( the ATI RADEON) If the lines are not visible then yes a new video card is needed. 2. check the video cable to see if you have it well connected to the video port. this sometime will render intermittent screen and vertical color lines. 3. check video cable for bent pins. I hope this helps. Have great day!
you can buy ANY agp card at all to use for diagnostics. go here, and buy any of these. http://www.tigerdirect.com/applications/Category/guidedSearch.asp?CatId=28&sel=Detail;55_158_2064_2064
i think you should remove the card and re install it. sometimes these bars you see can be caused by the card not making full contact. this would be my 1st step. then i would attempt to replace with a different card for diagnostic purposes. if you have a friend with an agp card, this is identified by a brown colored slot that the card goes into, i would borrow his to test. if it clears up then buy a new card. i recently had the same problem. when i pulled and put back my card it got no better. so i tested a new card and it was fine. check the warranty on your video card. some manufacturers like xfx and evga offer lifetime warrantees. just check your maunfacturer and see. if it has a lftm warranty they will issue you an rma (return merchandise authorization). this will let you ship it back to them and they will test and repair or most generally replace it. in my case it was an xfx geforce 9800 gt. they replaced it with a 9800 gtx. a much better card that has better cooling and cost $100 more than my old gt. they did this because they didn't have the gt in stock and i guess they figured i game too hard for a gt and they didn't want to replace it again. lol
you can get anything in PCIe If your a mild to moderate gamer or just looking for a replacement I recommend using EVGA brand. I have had very good luck with the nvidia 9800 gts. They are older cards but still have quite a bit of potential. if your a heavy gamer use something nvidia GTX 260 or later they have the newer GPUs.
by process of elimination, try unplugging your monitor from your computer. turn it on, the built in self test should run. it will give you color coded boxes like red green, blue etc.. and would tell you no signal. if you cant see any lines during the buit in self test, then is the video card thats busted...
An inadequate power supply might be your problem. Check the requirements on the video card and then look inside your case to see how many watts your power supply is putting out. If it is less than the number required by the card then this is likely your issue.
If you meet or exceed the amount necessary then it might be an issue with your drivers. Maybe sure you visit the ATI website for the most up to date and current drivers. Oftentimes many video card issues are solved by a simple driver update.
So the screen just did this when you changed graphics card? That means there is either something wrong with your graphics card to which you changed, the resolution is set too high, it is not seated all the way, or you have it on the wrong connection. If it is a DVI port make sure your monitor is set to DVI (digital) connection. If it is a VGA port make sure your monitor is set to analog connection.