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Did my GPU just short?

Last response: in Graphics & Displays
October 8, 2011 6:14:34 PM

Hey guys,

So I just built my computer, with an i7 2600k and GTX 460. I hooked everything up, and it booted up fine. The motherboard is a Z68 chipset with integrated graphics, so I hooked up the display through the mobo and it booted. I then tried to hook the display up to the GTX 460 but it didn't work because I realized I had forgotten to put in the two 6-pin power connectors from the PSU(Corsair CX600). I hooked both in, and the computer didn't boot at all. I took one of the connectors out of the GTX 460 and it booted, but I smelled something burning so I quickly turned it off. I tried one more time with only one connector in, and it booted but the GPU started smoking. I took the entire graphics card out and tried again, and everything worked fine. So I have no idea what just happened. Do you guys have any advice about what to do next? What do you think is wrong? Could it be just a bad graphics card? I can't see how it's the PSU seeing as it worked fine afterwards. If it's a graphics card, hopefully I can just return this one and pick up a new one. Is there any chance it is the PSU or motherboard, or that the PCI-E slot is bad?
Thanks in advance. Any help is very much appreciated.

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October 8, 2011 6:32:03 PM

when a component smokes you need to return it. unless you got some crazy case fogger mod.
if the pci-e slot was providing enough current to make a gpu smoke it would have burn marks on the socket. you can check but i doubt its the problem.
the cx600 only has 1 12v rail and if it was putting out too much current, your motherboard would be smoking too. so not your power supply.
October 8, 2011 7:29:40 PM

Thanks for the help. So if I put in a new, working GTX 460 you think it should work just fine? Again, thanks in advance.
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October 8, 2011 7:45:35 PM

It should, sounds like you just got a bad card. It happens more often then you might think.
October 8, 2011 8:08:24 PM

Let us know if that doesn't fix the problem. Were there any burn marks anywhere on the GPU or mobo? If you have any PCI-E GPUs try slapping it in to test it really fast.
October 10, 2011 3:51:25 AM

I replaced it with a new GTX 460, and it's worked perfectly so far. Looks like it was just a bad card. Anyway, thanks for all the help.
October 10, 2011 3:51:52 AM

Best answer selected by ace18rp.