We can't figure out how to make it boot to any external USB drive. After lots of struggling with it, we managed to clone the original drive to an external hdd.Apart from that, commands available in the UEFI shell can be used for obtaining various other information about the system or the firmware. Most recent congatec products featuring UEFI firmware can boot such a stick. This application note describes how to create a bootable UEFI shell USB stick.This article explains how to create an UEFI boot USB with parted and gummiboot. Note: These manual steps aren't required anymore, as the latest release images can just be written to an USB like normal and will support UEFI booting.Manage EFI Boot Option-Create a new entry - (click on Clonezilla partition which should turn red if it is FAT32) - Type=Linux or other OS - Description=Clonezilla - File path=\EFI\boot\boot圆4.efi (or bootia32.efi if a 32-bit UEFI system).the screenshot at start of this thread) - this was crux of the problem that I needed help with on the thread. I am unable to install guest additions as I can't get past the 'UEFI Interactive Shell' screen, when I boot the guest (i.e. 2nd one: out of curiosity, guest installed in UEFI mode (this option is offered for the 1st time in v.5 of Vbox).
