CPU loses power when I connect Graphics Card

Hey there,

Basically what it says in the title. I got a Corsair GS800 for Christmas and I had a handmedown GeForceGTS250 that I wasn't able to use before but now can because of the larger power supply. Basically what happens is that, my CPU gets power when the graphics card isn't connect but, when I connect it the fan on the CPU fan stops working and I get no beeps from the motherboard. I got it working a couple times but, then I screwed with it a bit more and I can't seem to get it working again. Any help would be appreciated.

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  1. well my first thought would be that the psu has not enough juice but 800w is plenty. you can try sending the gpu into manufactorer for testing.
  2. I have deduced that the card is defunct but, thank you for the reply!
  3. The original video card I had in there works fine, no flaws at all. Every time I tried to boot with the video card I was putting in, the monitor wouldn't get any kind of signal at all, it'd just go to sleep as if it wasn't connected to anything but, it would recognize that I had something connected.
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