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Model A1224 / EMC 2316 / 2.26 GHz Core 2 Duo processor / Education only model. Released on March 4, 2010.

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keep getting prohibitory sign after updating to macOS mojave

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i try to recent update my mid 2009 Mac to macOS mojave .But whenever the install is finish and Mac restarted keep giving me a prohibitory sign and won’t load normally

please if you know what’s causing this problem

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Answered! View the answer I have this problem too

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The highest system this machine will take is El Capitan

Pre-Installed MacOS:X 10.5.8Maximum MacOS:X 10.11.x*

UPDATE 3/2022 DosDude has now come out with work arounds and patches. which allow for system upgrades to unsupported Macs. I have had fair luck using them.

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That’s wrong that’s not what Apple said Apple said it could be updated to Mojave

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adrian joshk will be eternally grateful.
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