


select disk # (where # = your flash drive).list disk (make note of which disk is your flash drive).

Right click "cmd" and choose "Run as a Administrator".Mount your Windows 7 ISO to the Windows 7 Virtual Machine.Mount/Attach the USB ThumbDrive to your Windows 7 Virtual Machine.You said you have Windows 7 installed in a VM, so I've included the steps you need to take below: The easiest way to do this is to Re-Partition and then Re-Format the drive on Windows. In order to boot Windows setup the ThumbDrive has to have a Windows MBR and VBR (Master Boot Record/Volume Boot Record).
