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

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OS can't be installed due to firmware problem

I had a problem with lower RAM socket fail.

Computer will work on 1 RAM in the upper socket.

Answer this question I have this problem too

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1 Answer

It seems like you’re saying that the computer only has one working RAM slot because the other slot failed. It is still functional, however. And you are trying to reinstall the Macbook Pro OS, but it won’t install because of a firmware issue.

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