Bug#1110446: installation-reports: The initial mode selection menu is invisible when booting in UEFI mode (still "blind" selection is possible)
On 06/08/2025 at 09:17, Fab Stz wrote:
Can you check if this is a duplicate of [1] and report if the workaround
in [2] fixes your issue?
In the installation ISO image, GRUB main config file is
/boot/grub/grub.cfg. However the ISO 9660 filesystem is read-only, so it
may not be easy to modify it. Maybe it is easier to edit the early GRUB
config file /EFI/debian/grub.cfg in the embedded EFI system partition
(FAT filesystem) on the USB drive. Or if the issue also happens with the
installed system boot menu, just edit /boot/grub/grub.cfg on the
installed system.
[1] https://savannah.gnu.org/bugs/?65503
[2] https://savannah.gnu.org/bugs/?65503#comment2
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