Hi, Massimo Maiurana wrote; > DD mode, as Rufus itself told me to use that mode in case of problems about > booting.
We have to thank its author Pete Batard for bringing so many installation ISOs onto their USB sticks. > Indeed the Toshiba laptop is in legacy mode while the Asus one is in Efi > mode. The latter at least was able to run Grub. I assume the EFI partition was not partition 1 and thus survived. But probably the GRUB software in that EFI partition wanted to jump onto software which was in partition 1. So overwriting partition 1 by the ISO left that GRUB software clueless. Have a nice day :) Thomas