On Thu, 2023-10-05 at 06:39 -0400, Jude DaShiell wrote: > grub-install cannot find the uefi-directory and whenever a device prefix > is entered grub cannot find the canonical path. Hi, what device prefix do you add to what option? Maybe you use the device path -efi-directory=/dev/foo while the mount point is required -efi-directory=/mnt/point e.g. --efi-directory=esp Regards, Ralf PS: I migrated from syslinux to grub. Sometimes it can go that way ;).