My problem is that my HD 7850 VGA card does'nt working, only if I switch the PCIE1 link from "Auto" to "Gen 1" in my Asrock B75 Pro3 BIOS.
Why doesn't appear the "Gen 3" option at the PCIE1 link?
That way the card is working only on PCIEXPRESS v1.1 according to GPU-Z.
Any solution?
Thank you!