mac catalina 10.15.
How to reset MacOS catalina 10.15.7 to factory setting? Do you erase Macintosh-HD & Macintosh HD-Data
iMac 21.5″, macOS 10.15
Question marked as
You erase the volume group “Macintosh HD” (which contains “Macintosh HD Data”): Use Disk Utility to erase an Intel-based Mac - Apple Support.
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