![]() ![]() Please make a backup of your current system prior to attempting this. You should be able to do your's (note, I have not done this on your particular machine). Some more info you may want to go over before installing. ![]() ![]() ![]() I upgraded mine.ĮFI and Firmware update from 4,1 to 5,1 for Sierra Upgrade Solved MacBook and MacBook Retina: Late 2009 or newer.īut people like me, with a 2009 Mac Pro would not accept this. MacOS Sierra requires at least 2GB of RAM and 8GB of storage space and will run on: Apple has determined that they do not care about older users, so chose not to include your machine for Sierra upgradability even though it is capable. ![]()
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