Pixelation Problem, unsure how to proceed.

Dell / Xps 720 h2c
April 5, 2010 at 20:06:23
Specs: Windows Vista 32 Bit
Hello,
I'll skip the long into as I don't want to waste anyone's time, and get right to the meat of the problem. Basically, I came into possession of a computer from a friend who was making room in his flat. It worked excellently at first, then started failing and I don't know why. Here is the short version of the series of unfortunate events =P

I started getting blue screens a while ago, then after a while, I got graphical issues. I promptly tested the two cards I have and both work fine. I then tried putting in different RAM, and no change in the problem. Now, whenever I boot up, I am immediately greeted by crazy pixelation on the startup message. This pixelation continues into the desktop and I cant really do anything. I dont know whether this is a motherboard issue or not. I want to install WindowsSeven but need to fix this issue first. Any help will be greatly and sincerely appreciated. Thank you community!

Dell xps720 h2c
Vista32
core2duo extreme @ 3.3ghz
4gb ram
2x 8800 GTX


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#1
April 5, 2010 at 23:45:24
It sounds like the VRAM or GPU on one of the cards is going bad or "creeping" off the PCB. Apparently, chip creep was a problem with nVidia's early GeForce 8 cards. Have you tried disabling SLI and running each card by itself? Have you tested all of your x16 slots in single-card mode? Make sure that the edge connectors (bus and SLI hook-ups) are clean. I doubt that the motherboard is at fault here.

You could try baking 8800GTX pie (but ONLY after you've tested the cards in a different PC with a strong enough power supply).
http://hardforum.com/showthread.php...

Apparently, GeForce Pie works well.

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#2
April 6, 2010 at 06:42:26
If you were really concerned about wasting our time, you wouldn't have included the 1st paragraph. :)

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#3
April 7, 2010 at 11:17:52
I could have made it longer, jam :)

Thank you for the reply, Jack. I have tried removing the cards and running with only one. Moving them between the two pci slots they usually occupy -- but not yet to other occupied slots like the soundcard, etc.

Even if one card is bad, would that cause pixelation at the startup and BIOS screens?

Thanks again!


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Related Solutions

#4
April 10, 2010 at 07:20:22
Bump.

:(


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#5
April 12, 2010 at 13:26:49
Well, I figured out the issue. It wasn't quite chip creep, but it involved the gfx cards.

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#6
April 12, 2010 at 13:53:15
Well, what was it?

Skip


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