On 24.12.2013 04:43, Chris Murphy wrote:
> Another thing to note is that there are UEFI computers shipping that don't have USB initialized by the firmware by default at boot time. So the user couldn't use this menu on such systems - which some have suggested will become increasingly common. This implies a snapshot tool that provides the UI to choose snapshots prior to rebooting into that snapshot.
You just have to use GRUB own USB drivers on those systems.