I set up a windows 10 64 bit virtual machine, selected a win 10 64 bit ".iso" in the virtual CD drive, but it only shows black screen with a blinking underscore.
I also downloaded an ".ova" file and imported it but this only shows the same
Already turned AMD SVM on. Disabled Hyper-V.
My System: AMD Ryzen 7 1700 Nvidia gtx 1080 16 GB Ram