My gpu fried i was running a gtx 980 and when i got my pc back from these tech guys it said i was running an intel hd graphics 530. I ordered a new graphics card and upon installation noticed my old gtx 980 was still in the pc. I removed it and installed the gtx 1070 and booted my computer and it doesnt detect the new gpu. Im such a noob on pcs I had mine premade a few years ago and just as the warranty expired this happened. on the gtx 1070 there are 8 points and i used a single 8 point connector which was red if that helps to power it. any ideas on what to do?