Power supply help (new builder)

Masdock

Distinguished
Dec 17, 2013
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Hello! I have recently attempted a computer build with components I was recommended during a previous thread I had made back in december (which is linked at the bottom of this thread). I finish my build using all of these parts and turn it on, and you could guess that to my surprise it did not work. All fans were rotating and it sounded fine until it wouldn't display on the monitor. Then, after at least 30 seconds of it not displaying it shut itself down. I continue to do this three times and the same result happens every time. Then I notice that the GPU's plug did not have the correct connector to power it plugged in.

I was using an old PSU for my new build, which would previously used in my old computer, which is a Stealth Xstream 2 PSU 700W, and I was reccomended to u