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Bad GPU/Power Supply/Mobo/CPU ?

Last response: in Motherboards
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April 7, 2010 10:54:42 AM

So here is how it started. I was playing MW2 on my home built system (Built 2 years ago no problems). I was in the middle of a game, and it froze. I got alot of artifacts and crazy colors (tie dye look). So long story short, I send my card back to EVGA (Nvidia 8800GT), and reinstall the new card. Two weeks later, I get the same problem. So I call EVGA, and they send me another 8800GT. I put that card in and boom same issue, except it took like 2 minutes this time. Everything seems normal upon first installation of video card, and then as soon as I kick on my game it messes up. So I'm thinking okay its not the video card (3rd video same problem). I call EVGA and they say that its either the power supply (Corsair 450W) or its a bad PCIE slot on mobo (Asus P5k-e wifi). If its a bad power supply, they said that it could have fried my video card. If its simply a bad slot on my video card, then it couldnt have fried my video card. They said that they did however test my video cards, and they both were bad. So my first reaction is that it has to be my power supply. So i bought a new power supply (Corsair 550W), hook it up last night and I still have no resolution. My computer will only get as far as to let me login into windows vista and then a black screen with nothing. So i guess its possible that my power supply went bad and fried my video card this last time before I could shut it down, but is there anything else anyone can think of that might be an issue. Upon multiple restarts of my computer, I am getting some multi colored pixels etc. that suggest possibly another bad video card. Could it possibly be my Mobo slot, or my CPU? Right now I am swapping parts, and my next swap is probably the mobo. I am going to try my vid card on my friends computer first to see if that is the issue. Any help or suggestions would be great.

-Burtimus
April 7, 2010 1:08:12 PM

Given the fact that you have changed your video card and your psu, and that they are from good brands (EVGA and Corsair), consider the following:

- Have you OCed your system recently? If so, by how much? It could be that your cpu does not handle the extra speed well, or that heat is building inside your case.
- In any case, check your temps and get your case cleaned from dust over heaters and fans, for it reduces thermal efficency.
- If it does not work it could be your mobo/cpu. You would have to change them to find out, though.
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April 7, 2010 1:16:04 PM

I have not OCd. I dont know enough to bother with that. My temps are fine, which is what is weird. I used EVGA precision, and show no issues. Will a mobo fry a video card?
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a c 295 V Motherboard
a b ) Power supply
a b U Graphics card
April 7, 2010 1:59:56 PM

Hi newcomer and welcome to the Tom's hardware forum.

1- Do you test the GPU in another PC?
2- Do you test your rig with another GPU?
3- Could you run prime95 for check your RAM?
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