05-22-2023, 05:45 PM
To me the only way to be sure you've really gotten Ventura off your Mac is to use DFU mode to restore your desired version of Monterey.
But if that's impractical for some reason (like the inscrutable special key combo you need to hit to get the Mac booted into DFU mode), get the latest installer, make your external bootable USB drive (which you can't boot your Apple Silicon Mac with anyway, but it's nice to think you could boot an older Mac) and then after you boot into Recovery on the Mac you want to move back to Monterey, erase the disk fully in Disk Utility, and then open the Terminal and run:
As far as taking a train to meet me, maybe take a cab instead... Might be less confusing.
But if that's impractical for some reason (like the inscrutable special key combo you need to hit to get the Mac booted into DFU mode), get the latest installer, make your external bootable USB drive (which you can't boot your Apple Silicon Mac with anyway, but it's nice to think you could boot an older Mac) and then after you boot into Recovery on the Mac you want to move back to Monterey, erase the disk fully in Disk Utility, and then open the Terminal and run:
/Volumes/Install\ macOS\ Monterey\Install\ macOS\ Monterey.app\Contents\MacOS\InstallAssistant_springboard
As far as taking a train to meet me, maybe take a cab instead... Might be less confusing.