Hello I've just bought a evga gtx 1080 sc and just received it in the mail I took my gtx 780ti out and uninstalled all the old drivers using ddu I put the new 1080 in and the leds came on and the fans started spinning but no display no matter what I do just black screen I tried a different cable and a different Pci slot but nothing works should I return it or try it in a friends computer btw not even the bios comes up I already reset the cmos but still black