Qubes OS boot menu not available anymore

[OvalZero]

Did you try to reinitialize grub?

Stuck in Grub Recovery after installing Second OS to alternate Hard drive. How to recover?

Untested, assuming /dev/sda is your Qubes OS drive: cryptsetup luksOpen /dev/sda2 luks-qubes vgchange -ay mkdir /mnt/qubes mount /dev/qubes_dom0/root /mnt/qubes cd /mnt/qubes mount /dev/sda1 boot # Backup the /boot partition cp -r boot root/boot-backup mount -t proc /proc proc mount -t sysfs /sys sys mount --rbind /dev dev mount --rbind /run run chroot . grub-install /dev/sda After running grub2-mkconfig command below you only will be able to boot into Qubes OS. If you want to be able to boot…