I purchased an MSI GT710 2GB DDR3 in order to use it with my Windows 10 VM, my system does not have a second GPU and there is no IGPU as my CPU is a Ryzen 5 2600, this should be possible from reading and watching spaceinvaderone's videos but all that happens is that the monitor goes blank and then reports no signal when I start the VM.   I have the GPU in the slot nearest the CPU and my HBA in the second slot, I have dumped the bios from the card and also tried the one from techspot to