On Thu, Feb 21, 2019 at 6:09 AM Patrick Dupre <pdupre@gmx.com> wrote:
The issue is solved.
Because I did not boot on the SUB live in UEFI, the install was not compatible with a UEFI
boot.
 
Sorry for the disturbance.

It's not intuitive! But that was going to be my next question, glad you figured it out.

Thanks,
Richard