Cannot download another MacOS while a newer OS is being used
I have Monterey loaded into my iMac. How can I get Catalina loaded into my system?
I have Monterey loaded into my iMac. How can I get Catalina loaded into my system?
Did this iMac come with macOS Monterey pre-installed? If so, you cannot downgrade it to an earlier macOS version.
Did this iMac come with macOS Monterey pre-installed? If so, you cannot downgrade it to an earlier macOS version.
As stated by previous posting that would block and downgrading.
Should the Monterey was a upgrade from a previous version of macOS and this computer Qualifies to run Catalina >> see below.
This Method will Wipe ALL DATA including the Recovery Volume - there is Not Recovery - period.
To perform this action will require booting from a Bootable Installer.
This will have to be performed from a Qualifying Computer to run the version of macOS to be made on the Bootable Installer. Example : Bootable Installer of Catalina would have to be done on a computer that Qualifies to run Catalina.
Once that is done read on for preparing the Destination computer.
>> Only works on Intel Based Apple Computers. <<
Extra Special Notation regarding the Touch ID equipped Apple Computer.
About Startup Security Utility and Must Enable from Recovery Mode the ability to boot from External Drive Before Attempting
1 - Shutdown computer and disconnect all external drive Except the newly created Bootable Installer.
2- Restart and immediately hold the OPTION key until the Startup Manager appears and choose the USB Drive.
3 - It will present options >> Disk Utilities >> View >> View ALL attached Drives.
4 - Choose the Upper Most Drive ( not the volumes indented and list below ).
5 - 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.
6 - Once that is done >> backup out of Disk Utilities and choose install macOS.
7 - Follow the prompts and it may automatically reboot several time.
8 - Upon a final reboot - Setup Assist will present with the newer version of macOS.
Cannot download another MacOS while a newer OS is being used