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#efi boot
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MP 1,1-5,1 Trying unsuccessfully to upgrade with OCLP on 2012 cMP
I have a 2012 cMP 5,1 currently running Mojave 10.14.6 and I want to install Monterey with OCLP. I followed the steps and have it installed on a thumb drive, but when I reboot and hold down the option button, it doesn't work. I don't get the option to load the EFI from the thumb drive. My mac...