To mount an EFI boot partition, follow these steps: 1. Discover the volume identifier for your EFI boot partition. Run this command: diskutil list The output should look something like this: /dev/disk0 #: TYPE NAME SIZE IDENTIFIER 0: GUID_partition_scheme *251.0 GB disk0 1: EFI 209.7 MB disk0s1 2: Apple_HFS Macintosh HD 250.1 GB disk0s2 3: […]