MacOS High Sierra cannot be installed on this computer.

Question

MacBook Pro 13" Unibody Mid 2010

Mid 2010 Model A1278 / 2.4 or 2.66 GHz Core 2 Duo processor

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Uros Rajkovic @urosapple

Rep: 55

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Gepost: 6 aug. 2020

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MacOS High Sierra cannot be installed on this computer.

Hey everyone, as the title says, when I try and install MacOS High Sierra it only pops up with this message. Backstory: I previously installed Catlina on this computer with dosdude1 patcher. I can’t find any info online with this kind of pop up message.

Dear iFixit gods @danj and @mayer please help.

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2 opmerkingen:

You had Catalina on it, why are you trying to go to high Sierra

6 aug. 2020 door David bellows

If you have wiped your drive clean it should work if not there’s your issue it recognizes newer software in which case you’ll have to swap the drive (if you don’t wanna lose data) erase it using disk utility shut down your Mac and start holding command + shift + R which will put you in internet recovery you’ll probably get something like mountain lion, than install high Sierra from Mac OS mountain lion

6 aug. 2020 door David bellows

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You had Catalina on it, why are you trying to go to high Sierra — David bellows
If you have wiped your drive clean it should work if not there’s your issue it recognizes newer software in which case you’ll have to swap the drive (if you don’t wanna lose data) erase it using disk utility shut down your Mac and start holding command + shift + R which will put you in internet recovery you’ll probably get something like mountain lion, than install high Sierra from Mac OS mountain lion — David bellows