EVGA 8800GTX Installation Trouble


I just second-hand purchased an EVGA 8800GTX 768MB, upgrading from an EVGA 8600GT 512MB. I installed, plugged both of the PCI-E connectors into the card, and tried to turn on the computer but it didn't work. At first, I got a fuzzy start-up screen and then it went all black. I restarted and now no signal is being sent to the monitor.The BIOS doesn't beep at all. I tried using only one of the DVI slots and plugged it into the VGA end of a TV monitor and the image worked but it was terrible quality. I tried reinstalling and no signal was sent again when using both DVI slots to my monitor.

I put my 8600GT back in and it worked fine, with no problems. The seller has been very responsive and assured me the card worked, so I trust him. He's also willing to give me a refund.

I believe this card should work with my machine, but is there a problem with this specific card?

Some pictures from the start-up when only using one DVI-to-VGA TV monitor pictures:

Windows 7
Gigabyte GA-P35-DS3L LGA 775 Intel P35 ATX Intel
Thermaltake W0131RU 850 W ATX12V
3.16 GHz Intel Core 2 Duo E8500
2x1GB A-Tech DDR2 (800 MHz)
2x1 GB Patriot Extreme Performance (800 MHz)
160 GB Western Digital Caviar SE WD1600AAJS

Thanks in advance for any help!

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That PSU?
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Thanks, Proffitt for responding! I used the PCIE connectors that come out of the PSU w/ the ATX cables. Should I try to disconnect them (although they're internally connected) and plug them into the 1st and 3rd rail? Or are those two already providing ample power?

Thanks again!

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Sorry but

I can't decode what you asked. But looking at the PSU's spec I see the 2nd rail is 18 Amperes which fails the card's 30 Ampere requirement. So if you can change rails, that's what to try next.

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