Hyper-V CD/DVD drive device driver is missing. In the installation process of Ramen as a VM in HyperV, the following fout may suddenly come up:
(Load driver) A required CD/DVD drive device driver is missing. If you have a driver floppy disk, CD, DVD, or USB flash drive, please insert it now.
Note: Als de Ramen installation media is in the CD/DVD drive, you can safely remove it for this step.
The cause of this fout: a corrupted ISO file or the ISO download was incomplete. The easiest solution for this: download the ISO file again from a trusted source.