![]() If you run the Catalina patcher tool, make sure you catch the "Force Rebuild option" before it reboots, it wouldn't boot on a non-supported mac for me without that step.Īfter trying so many times, I give up to clean install Catalina to MBR HFS+ for now.įinally, I got MBR HFS+ Catalina works perfectly now. Once completed, I made an image and now both the APFS and HFS images work to restore Catalina. ![]() This was EXCEPTIONALLY slow on a spinning hard drive, and marginally slow even on an external SSD. then create a new Admin account to give the old one admin rights.ĩ. This booted normally from this point, but I later discovered it changed my Administrator login to a Standard User, so I had to reboot to Single User mode, run rm /var/db/. At the prompt type the following commands :Ĩ. Choose the HFS hard drive from the boot EFI menu and boot single user mode Cmd + Sħ. I chose APFS for the original drive label (and APFS - Data for the data partition)ĭitto "/Volumes/APFS - Data/" /Volumes/HFS/ĭitto /Volumes/APFS/System/Library/Templates/Data/ /Volumes/HFS/Ħ. Open image file with Disk Utility and rename partitions to make things easier. I labeled this one HFS to make it easier.ģ. Format your replacement drive as HFS Journaled. I rebooted to the supported Macs Recovery by holding down Cmd + R at startup. ![]() It was a ~40GB image and took a couple of hours to ditto over.ġ. I just took a working Catalina image from a supported Mac and ditto'd it using this as a basis. ![]()
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