How to mount your EFI partition on macOS Find the identifier number for your EFI partition by running: [diskutil list] Make a directory for EFI to mount by running: [sudo mkdir /Volumes/EFI] Mount the EFI partition with: [sudo mount -t msdos /dev/disk0s1 /Volumes/EFI] (Replace disk0s1 with whatever identifier you have, but if it is the same, leave it.) Your EFI partition should now be mounted.