Hi guys looking for a some help, I've come to use my old gtx 760 GPU and it wont display anything i just get a message on the screen saying cable not plugged in like the GPU's not being detected almost as if its dead... However, If i put it into the 8x slot everything works as it should i've updated the bios on my ax370 gaming 5 Mb to bios version 8, un installed any old drivers and i also updated to the latest driver for gtx 760, as of now im all out of ideas.