BIOS settings

[apparatus]

@Eli

File grub.cfg is a readable text file.

Does it look like this?

Impossible to boot on Qubes 4.1.2

the file was called grubx64.cfg which I renamed to bootx64.cfg # # DO NOT EDIT THIS FILE # # It is automatically generated by grub2-mkconfig using templates # from /etc/grub.d and settings from /etc/default/grub # ### BEGIN /etc/grub.d/00_header ### if [ -s $prefix/grubenv ]; then load_env fi if [ "${next_entry}" ] ; then set default="${next_entry}" set next_entry= save_env next_entry set boot_once=true else set default="${saved_entry}" fi if [ x"${feature_menuentry_id}" = xy…

@Eli

I deleted the Qubes entry and added it again, by issuing the command above. The entry is added, but Qubes doesn’t boot, I end up in the grub shell.

Also maybe you’ve selected wrong drive name or partition number in the command?
Did you make sure that your Qubes OS drive was /dev/sda when you run this command?
efibootmgr -v -c -u -L QubesOS -l /EFI/qubes/grubx64.efi -d /dev/sda -p 1