I have pretty much tried everything I can find, but I haven't manged to get it to work.
I have somehow managed to have GRUB2 available with WUBI, and have tried that way to start a live USB. Unfortunately, I have no idea how I've managed to get GRUB installed (I've tried for that long and I've forgotten to document things).
I do have a USB to micro USB and a USB hub with four ports, a keyboard, and a USB pen drive with LXLE on it, so I do have the hardware.
Any help would be much appreciated.