sata to 8pin

CPU: i3 2100 Motherboard: samsung h61s1 Ram: 2x4 ddr3 1000 something mhz SSD/HDD: 3 seagate 2 250 and 320 GPU: rx 470 4gb sapphite nitro 4gb oc PSU: rakk 400 watts OS: windows 10 2004 my pc is transported a long way to our province and when I turn on the pc no signal from gpu, but when I...