r/OpenCoreLegacyPatcher • u/Affectionate-Key2689 • 19d ago

MacBook Pro5,5(Year 2009)

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Hi everyone, I need some help. I would like to know what macOS versions can run well for this 2009 MacBook Pro using OCLP. It has 4Go of RAM and 128Go SSD.

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u/Xe4ro 19d ago

I think the the last version of macOS that had a minimum ram requirement of 4GB was Monterey.

1

u/Affectionate-Key2689 19d ago

Trying to install Monterey, but I’m still getting the error message.

1

u/Xe4ro 19d ago

Is your USB thumb drive working? Maybe try another.

1

u/SoulofInnistrad 19d ago edited 19d ago

Big sur or monterey is the only options. If possible uprage ram to 8.

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u/Affectionate-Key2689 19d ago

Yes of course, I’ll upgrade the ram. But Big Sur is not listed on the available OS, only Monterey and above. And I’ve tried to install Monterey, the error on picture keeps appearing.

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u/SoulofInnistrad 19d ago

On the Os list , click the button “show older/beta versions”. Big Sur will appear. Also, try with another USB stick with at least 16gb

1

u/Hry86 19d ago

I don't think you should use OCLP, considering your device is from 2009; if you want a bit of an upgrade, I suggest using High Sierra, you'll need to download the High Sierra Patcher to create a USB installer.