Model A1297 Unibody: Early 2009, Mid 2009, Mid 2010, Early 2011 & Late 2011

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Replace Pram battery MacBook Pro 17 Unibody Late 2011

Is it possible in this model?


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There is no pram battery in that model. It is now called nvram and the key combination is the same as resetting pram. I don't know about the Pros but in the MacBook line, they stopped putting pram batteries on the early and mid 2009 models.

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Thank's Steven. Finally I resolve the problem changing the internal battery. The Pram it's integrated there.


@capsula Thanks for the update on this with your resolution to the problem. This answers the very question I had myself.


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Jordi will be eternally grateful.
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