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I'm trying to install Catalina. My hard drive (Macbook Pro 2017) did not reformat when I installed Mojave. I've backed up in two locations and ready to reformat to APFS. But when I go into Disk Utility it won't let me erase the drive. Is there a step I'm missing?
MacBook Pro 13″, macOS 10.14
You have to be in Recovery Mode to erase an internal drive. Installing Catalina should format the drive as APFS.
You have to be in Recovery Mode to erase an internal drive. Installing Catalina should format the drive as APFS.
Won't let me erase hard drive to reformat to APFS
