Early 2011 model, A1278 / 2.3 GHz i5 or 2.7 GHz i7 processor.

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How to remove password

i have same problem,but i have 2011 MBR , that solution doesn work ,because is new security, how to remove password , i heard i need to replace nvram chip and hard drive, anybody know something about it?

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No new security, Nicks answer only works if you know the current password. What is a MBR?

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AB - probably a MacBook Air with no internal disk drive running 10.7.x

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Chosen Solution

At boot:

1. cmd-s

2. mount -uw /

3. cd users

4. ls (list the shortnames of all profiles)

5. “shortname” passwd (type the shortname of desired profile — minus the quotations

new password ******

retype password ******

6. reboot

IF you have an EFI password lock you are in Advanced Hacking Land not a friendly place for DIYers... IMnsHO better to contact Apple.

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radek will be eternally grateful.
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