This one tool made USB flashing obsolete for me.
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 ...
A tiny multi boot USB setup that holds dozens of ISOs for live tools and installers, ready to revive any PC.
You’ve downloaded an ISO recovery disc, maybe used it to create a bootable USB key -- but does it work? Finding out can be a hassle as you close down applications ...