Mac Option Password

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hi all!
have created partition on computer, haven't put operationing system on it.
restarted computer, , seems has opened out of partition.
shows folder question mark

when hold option when turning on, has lock , spot enter password.
don't know password is.
have tried password, apple id password.
know password
 

is screen getting? firmware (efi) lock prevents booting other drives. if not have password there no way recover yourself. need take mac apple store along proof of ownership , can unlock you.

[​img]
 


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