On Mon, Apr 16, 2018 at 11:01 AM, Elio Fabri <elio.fa...@fastwebnet.it> wrote: > On 04/16/2018 04:55 PM, Nico Kadel-Garcia wrote: >> >> Did you copy directly to the first block of the USB device? For >> example, for a device reported at /dev/sda: >> >> dd if=dvdfile.iso of=/dev/sda > > I don't remember. > Maybe I copied into /dev/sda1 > > Does it make some difference?
Yes. /dev/sda1 is a partition, not the beginning of the disk. Finding a boot loader on a partition is.... sometimes workable, but it's iffy at best.