not detcted

So I'm running a h310ms2p mobo with a 1070ti and one day i just lost hdmi signal so i assumed my gpu was fried. I tested this buy swapping in a 2070 super, just to see if it would detect. Nothing on device manager except the intel graphics. at this point I assume my pcie slot is busted or...

I have the "Enthoo Evolv atx tempered glass case," and a "Asus Maximus rog viii hero." My case has 3 pre-installed fans that connect to a hub labeling fan1-6. Fan 1 has a white 3 pin connect, rest of the fans have black 3 pins. Also, a 4 pin that the Manuel says has to be plugged into the Cpu...