New build no monitor input

ClubSpade12

Honorable
Apr 7, 2016
241
0
10,710
I've already looked through the troubleshooting checklist for this, I got nothing. I really don't know why it's not showing up on the screen. Specs are a mini atx asus mobo, gtx 780, and a single 8gb RAM stick. I have tried switching the dvi cable between slots on mobo and GPU, I've even tried doing that without the hard drive plugged in just to see if maybe I'd get BIOS. Nothing. Please help me.