Mount ESP Partitions

Method 1

Open ESP Mounter Pro via the launcher and you can see its icon on the status bar.

Click the icon and choose an EFI partition to mount.

Method 2

Open the terminal via the launcher.

Type diskutil list to locate your EFI partition and take a note of its identifier.

A disk identifier has a format like /dev/diskXsY where X and Y are just integers.

Then type diskutil mount /dev/diskXsY and press the Enter key.As you can see from the screen shot above, my EFI partition is identified as /dev/disk0s1, so I need to type diskutil mount /dev/disk0s1 to mount it.When you see /dev/diskXsY mounted in the terminal, you can find the EFI partition in Path Finder.