Unlock Bios Password iMac 27" EFI Locked

[user24188]

Hi There

Please can you clean and remove EFI Lock on login screen for this iMac 27" machine
I need to load a operating system but its locked

Attached Bios file below

 

[Support Staff no.1]

Hi There

Please can you clean and remove EFI Lock on login screen for this iMac 27" machine
I need to load a operating system but its locked

Attached Bios file below