Video card/power supply trouble

Xfx Radeon hd 5570 video card
September 5, 2010 at 14:22:57
Specs: Windows 7, AMD Phenom x3/4g ddr2 Ram
I'll start this off by saying that I consider myself fairly computer literate and learned in the arts of google-fu, however am not a guru and lack a fair amount of the dialect so bear with me.

I recently purchased an ATI Radeon 5570 and a new 600W Coolmax power supply. When installing these two parts I turned the computer on and was unable to see the bootup process so I thought it might be a problem with the video card. However, when I went to turn it off using the power button I was unable to and ended up having to unplug it. I've gone back to the old power supply and new video card and am still having the same problems with turning off the machine.

That being said I think there are a few things that might fix it and would like some feedback.

Could I not be plugging in the cords correctly? I've plugged in each of my cd drives, my hard drive, the large 32 pin for my Mobo, and the small 6 pin for my video card. Perhaps I'm missing something?

I have been having issues with a corrupted hard drive and reformatted last night so that I would be able to install the new parts. Could the drivers for the motherboard not be on the hard drive so its having trouble with the bootup/bootdown process?

Have I completely destroyed some part of my machine? I feel like I was being pretty careful but perhaps I wasn't careful enough and broke something.

Any help would be greatly appreciated and feel free to ask for additional information.

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September 5, 2010 at 23:16:16
i don't know why u upgrade psu, hd 5570 require 350w +12@24A (for the whole system) start the system without a video card, un-install onboard video driver, then go to bios, return shared memory, disable onboard video, set initial display to pci express, save changes and shutdown the system. Remove power cord, Open side panel then locate pci-e x16 slot and install v-card (make sure it seated fine) connect additional 6 pin. Start the system.

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