The "Bootable" legacy ISO you've used is in fact not bootable, it relies on CDROM emulation provided by BIOS. VMs don't usually do this sort of emulation. If you set the guest OS to something like ...

May 7, 2013 Add as a preferred source on Google Add as a preferred source on Google Once you're finished, you'll be able to reboot into your secondary OS and run it natively, or run it in your ...

When a VirtualBox virtual machine boots directly into the UEFI Interactive Shell, it’s typically because the EFI firmware cannot automatically find a bootable operating system loader. This could be ...