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User profile for user: garymichaelg
garymichaelg Author
User level: Level 1
5 points

what does not formatted for APFS mean? tried to install Catalina and got message, not formatted for APFS

what does not formatted for APFS mean? tried to install Catalina and got message, not formatted for APFS

Mac mini, macOS 10.14

Posted on Oct 29, 2019 10:45 AM

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User profile for user: Kappy
Kappy
User level: Level 10
361,849 points

Posted on Oct 29, 2019 11:14 AM

Catalina requires that the disk drive be formatted using APFS, not HFS+. You should only get the alert if you are installing on an SSD that you formatted HFS+. If this be the case, then you will need to backup, erase the SSD, then reformat it using APFS, and restore your backup.

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User profile for user: Kappy
Kappy
User level: Level 10
361,849 points

Oct 29, 2019 11:14 AM in response to garymichaelg

Catalina requires that the disk drive be formatted using APFS, not HFS+. You should only get the alert if you are installing on an SSD that you formatted HFS+. If this be the case, then you will need to backup, erase the SSD, then reformat it using APFS, and restore your backup.

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what does not formatted for APFS mean? tried to install Catalina and got message, not formatted for APFS

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