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I was running Monterey for a while but ran into to some funky issues so I erased Macintosh HD and Macintosh HD - Data. Now when it runs thru the installer no HD shows ups. None of the online instructions say you need to create a new HD and HD - Data. Do they need to be setup or is Monterey supposed to do it for you? If they need to be partitioned what size are they supposed to be? Could nto find any help from online sites.
MacBook Pro 15″, macOS 10.15
By what Exact Method was this achieved ?
The more details provided the more reliable possible solutions can be given.
Part 1 of 2
Use Disk Utility to erase an Intel-based Mac - Apple Support (CA)
How to reinstall macOS - Apple Support (CA)
Follow these guidelines during installation:
Part 2 of 2
Below is the only way I know how Both the Macintosh HD - DATA and Macintosh - HD could both the Erased
" Scorched Earth Method "
This method will WIPE ALL Data and there is No Recovery - Period.
>> Only works on Intel Based Apple Computer <<
To perform this action will require booting from a Bootable Installer.
The Bootable Installer can Only be performed on an Apple Computer
This will have to be performed from a Qualifying Computer to run the version of macOS to be made on the Bootable Installer. Example ONLY : Bootable Installer of Big Sur would have to be done on a computer that Qualifies to run Big Sur.
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.
Alternative is, to gain access to a Qualifying Apple Computer from a family member, friend or associate.
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. This applies to macOS 10.14 Mojave and above.
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.
By what Exact Method was this achieved ?
The more details provided the more reliable possible solutions can be given.
Part 1 of 2
Use Disk Utility to erase an Intel-based Mac - Apple Support (CA)
How to reinstall macOS - Apple Support (CA)
Follow these guidelines during installation:
Part 2 of 2
Below is the only way I know how Both the Macintosh HD - DATA and Macintosh - HD could both the Erased
" Scorched Earth Method "
This method will WIPE ALL Data and there is No Recovery - Period.
>> Only works on Intel Based Apple Computer <<
To perform this action will require booting from a Bootable Installer.
The Bootable Installer can Only be performed on an Apple Computer
This will have to be performed from a Qualifying Computer to run the version of macOS to be made on the Bootable Installer. Example ONLY : Bootable Installer of Big Sur would have to be done on a computer that Qualifies to run Big Sur.
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.
Alternative is, to gain access to a Qualifying Apple Computer from a family member, friend or associate.
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. This applies to macOS 10.14 Mojave and above.
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.
clean install of Monterey shows no HD
