Many hours died to bring you this information tl;dr: run grub-install –target=x86_64-efi –efi-directory=<espdir> –removable if following the Arch Linux install guide I acquired a Dell Wyse 3040 thin client recently. I hit a snag during the install, in that it would not boot the new operating system. grub-install claimed to have successfully completed, but it … Continue reading PSA: Dell Wyse 3040 Uses ‘Fallback’ EFI Location