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GTX 580 Won't Boot

Last response: in Graphics & Displays
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November 5, 2011 3:40:27 AM

Hello,

I installed a GTX 580 and my computer won't boot. If I unplug the 2 PCI-E cables from the 580, the computer boots fine and I can use the onboard graphics card. Here are my computer specs

I7-2600k
Asus Z68 Pro-V Mobo
Zotac GTX 580 AMP!
Corsair Enthusiast Series TX850 V2 PSU

Any help would be appreciated.

More about : gtx 580 boot

a b Î Nvidia
November 5, 2011 3:47:13 AM

try re-seat the card and make sure the 6 pin and 8 pin power connector properly attached to the card
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November 5, 2011 3:52:14 AM

I did reseat it multiple times and tried different PCI-E slots on my mobo. No go.
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a b Î Nvidia
November 5, 2011 3:58:25 AM

it seems to me the PSU could not provide enough power to your system. if you have other card lying around you can try to use it and see if your system able to boot up. it could be your PSU or your GTX580 is DOA. have you tried disabled your IGP via BIOS?
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November 5, 2011 4:12:02 AM

You read my mind renz about the PSU. I couldn't find another card to plug in but here's what I found interesting. When I plug in both the 8 and 6 pin, no boot (580 fan doesn't go on). If I leave the 8 pin plugged in only (pull out the 6 pin), the 580's fan churns and the computer boots. If I leave the 6 pin plugged in only (pull out the 8 pin), the computer boots (580 doesn't do anything). I think the PSU is not providing enough power. I thought 850W would've been enough but that may not be the case.

Anyone else think it's the PSU?
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a b Î Nvidia
November 5, 2011 5:20:19 AM

with 850w PSU you should be able to power up two GTX580. in your case the card should be able to boot up if one of the PCIE power connector is taken out which is weird. maybe the card needs a check as well
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November 5, 2011 5:45:21 AM

Attach graphics card with your system and Go to bios setup and Turn off built-in video, and enable "PCI x16 2.0" then turn off your computer. Attach display cable with graphics card and start the computer.


Note: Built-in video option must be in "Boot configuration" option
and "PCI x16 2.0" must be in "Video configuration" option.
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November 6, 2011 12:11:30 PM

A bad power supply was the issue. Card is up and running now. Thanks for the help.
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