Late 2011 model, A1278 / 2.4 GHz i5 or 2.8 GHz i7 processor.

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Problem with password open firmware


I have mac book pro i7, problem is dont remember password efi, and need reinstall lion, because install other hard drive.


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Remove one of your memory chips, reset the PRAM and SMC. The instructions for the resets are available on numerous threads here and on the Apple website. Put the removed memory chip back in and your should be good to go.

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If not try rEFIt. It helped me bypass my school's firmware password.

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I don't work with MacBook Pro's all the time how do I rEFit?


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Abraham Chavez will be eternally grateful.
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