For who is interested..I then discovered that my actual system on stick is not detected by my old Mac Pro (2011) cause miss the EFI boot..
FuguIta dvd/stick allows to create a new stick with EFI boot that solved everything. -Dan Dan <d...@nnnne-o-o-o.com> wrote: > I got the boot menu by pressing the Option / Alt while starting but no > possibility to boot from usb, eheh..
