On Wed, Apr 17, 2019 at 12:23:56PM +0200, Thomas Schmitt wrote: > This operation has killed the MBR partition table with the entry for > the EFI partition. > […] > Did you try booting before or after the gdisk run ? > >
Before. I also did not write out. Note that I also called gdisk on the iso image and not on the USB disk. Regards, Florian
