Have you tried the arch forums? I don't know the exact steps but it'll be something along the lines of booting a linux iso mounting the boot partition, editing

Have you tried the arch forums? I don't know the exact steps but it'll be something along the lines of booting a linux iso mounting the boot partition, editing grub (assuming you're using grub) and having it see the efi partition/boot stuff (assuming you're using efi) ... but honestly arch or arch related forums might be a better solution. https://forum.endeavouros.com/ https://forum.endeavouros.com/