PC not powering on when 14 Pin connector is plugged in

Hello,

Working on my first home built PC and I have an issues I wanted to run past the community. Last night I installed my Nvidia 2080 Rx into my mobo and power supply, where I tried turning my PC on, it wouldn’t turn on at all! Now I suspect that I did use an older PCIE cable from a thermaltake Power supply, where my new one is Corsair, could that be the problem?  

Answers

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