MountEFI

[kvmKillerman]

@kvmKillerman

There is a way to create that partition after the installation too, of course. But none of us here ever needed to do this, which is why it's hard to help. I will look into this tho, just out of curiosity, and then I can get back to you when I have any information.

@kvmKillerman

Please attach the output of

diskutil list

// Edit: Here's a guide on how to add an EFI partition. Looks cumbersome, just do a fresh install.

Thanks, i have installed so much crap already so i still think that creating efi partition would be faster than reinstalling macos.

Here is the output:

tomi@Tomis-MacBook-Pro ~ % diskutil list


/dev/disk0 (internal, physical):


   #:                       TYPE NAME                    SIZE       IDENTIFIER


   0:      GUID_partition_scheme                        *128.0 GB   disk0


   1:                 Apple_APFS ⁨Container disk2⁩         128.0 GB   disk0s1





/dev/disk1 (internal, physical):


   #:                       TYPE NAME                    SIZE       IDENTIFIER


   0:      GUID_partition_scheme                        *500.1 GB   disk1


   1:                 Apple_APFS ⁨Container disk3⁩         500.1 GB   disk1s1





/dev/disk2 (synthesized):


   #:                       TYPE NAME                    SIZE       IDENTIFIER


   0:      APFS Container Scheme -                      +128.0 GB   disk2


                                 Physical Store disk0s1


   1:                APFS Volume ⁨Mac OS Big Sur - Data⁩   22.4 GB    disk2s1


   2:                APFS Volume ⁨Preboot⁩                 312.3 MB   disk2s2


   3:                APFS Volume ⁨Recovery⁩                623.4 MB   disk2s3


   4:                APFS Volume ⁨VM⁩                      1.1 MB     disk2s4


   5:                APFS Volume ⁨Mac OS Big Sur⁩          15.3 GB    disk2s5


   6:              APFS Snapshot ⁨com.apple.os.update-...⁩ 15.3 GB    disk2s5s1





/dev/disk3 (synthesized):


   #:                       TYPE NAME                    SIZE       IDENTIFIER


   0:      APFS Container Scheme -                      +500.1 GB   disk3


                                 Physical Store disk1s1


   1:                APFS Volume ⁨HDD⁩                     864.3 KB   disk3s1





tomi@Tomis-MacBook-Pro ~ %

 

[BlvckBytes]

@kvmKillerman

Okay, you're definitely missing the EFI partition, no question anymore. You can check out the stackoverflow-link I've provided, and carefully try to follow the instructions, remember that the commands are made for the original threadowner tho, you need to modify UUID arguments to your own, for example.

I sadly have never done this and thus cannot help you any further, :/.