![]() Apple did not mention that there might be issues which would crash my device. Apple encouraged me to upgrade to Monterey. Q - " It was Apple’s suggestion that I upgrade to Monterey. Unless the User ( you ) truly understand what when wrong in the previous attempt, they are bound to repeat the same faux pas in the future resulting in a similar issue as exists now. ![]() Q - " not for a patronising lecture on how I might have avoided it."Ī - IMHO not one is being patronizing. Q - " I asked what the solution to my failed attempt to clean-install might be "Ī - That was answered in the above " Scorched Earth Method " I asked what the solution to my failed attempt to clean-install might be, not for a patronising lecture on how I might have avoided it. Thanks, I know what Time Machine and other backups do, and made an informed decision. At least one Tested Clone and / or Time Machine Backup should be Off - Site This is insurance incase the upgrades goes sideways. A Time Machine Backup is very useful and can be used to Revert to Previous Working macOS.įor additional purposes - two Tested Bootable Clones each to separate external drives. This comprises having 3 Backups using 2 methods and 1 Off Site incase of Theft, Loss or Natural Disasters. The above is from observations on the Apple Support Community Forums and IMHOĭo I have a Rescue Plan In-Place. ![]() If this is a Production or Mission Critical Set-up - a more prudent and measure approach is suggested. Just because the Prompt to upGrade to Monterey was presented does not mean it is going to workout without issues. Then there are those who attempted and had less than good results. This applies to macOS 10.14 Mojave and above.ĥA - Formatting for macOS 10.13 High Sierra and below requires HFS Journaled with the GUID Partition MapĦ - Once that is done > backup out of Disk Utilities and choose install macOS.ħ - Follow the prompts and it may automatically reboot several time.Ĩ - Upon a final reboot - Setup Assist will present with the newer version of macOS.ĭid the user enter this situation having done due diligence on what was involved with this upgrade.Ĭaution - jumping over all the newer versions and directly to Monterey on Qualifying computers is Technically possible - there are those who have attempted and were successful. > Only works on Intel Based Apple Computers.Įxtra Special Notation regarding the Touch ID equipped Apple Computer.Ībout Startup Security Utility and Must Enable from Recovery Mode the ability to boot from External Drive Before Attemptingġ - Shutdown computer and disconnect all external drive Except the newly created Bootable Installer.Ģ- Restart and immediately hold the OPTION key until the Startup Manager appears and choose the USB Drive.ģ - It will present options > Disk Utilities > View > View ALL attached Drives.Ĥ - Choose the Upper Most Drive ( not the volumes indented and list below ).ĥ - The drive normally is called Apple Media or Apple SSD - that is the drive to Erase and format as APFS with the GUID Partition Map. Once that is done read on for preparing the Destination computer Notation: If the computer being used to perform this action is Too New or Too Old to qualify to run the version of macOS - this computer can not be used.Īlternative is, to gain access to a Qualifying Apple Computer from a family member, friend or associate. This will have to be performed from a Qualifying Computer to run the version of macOS to be made on the Bootable Installer.Įxample ONLY: Bootable Installer of Big Sur would have to be done on a computer that Qualifies to run Big Sur. The Bootable Installer can Only be performed on an Apple Computer ![]() To perform this action will require booting from a Bootable Installer. This method will WIPE ALL Data and there is No Recovery - Period.
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