After upgrading my BIOS from 1301 to 1902 Hyper-V no longer works. If I try to start a VM I get the message "[VM] could not be started because the hypervisor is not running". I also see this message in the event viewer: "Hypervisor launch failed; th...

After upgrading my BIOS from 1301 to 1902 using EZ Update/USB I cannot seem to return to 1301. I first tried installing 1301 using EZ Update with a USB flash drive in the BIOS as I did for 1902, but it claimed the file X299D.CAP was "not a proper BI...

I'm thinking of buying this, and would assume it supports CPU virtualization (which I need), but it's not listed in the manual I downloaded. In my X99-A manual it's under "CPU Configuration". I suppose it may have been ommitted it as it depends on th...