If you are finding yourself with system crashes trying to go from the first beta to the second beta use the instructions below as a work around.
Assuming you already downloaded the installer, via Preferences:
Assuming you already downloaded the installer, via Preferences:
- Plug in a blank drive of at least 8 GB, and note down the volume name of the storage media
- Open your terminal and run the command "sudo /Applications/Install\ macOS\ Catalina\ Beta.app/Contents/Resources/createinstallmedia --volume /Volumes/<name of volume>" and follow the instructions on the terminal and wait for it to finish. The volume will be wiped.
- Reboot your Mac into your external disk which is in effect a recovery mode of the newest beta.
- Wait for the disk evaluation to finish, which can take up to 15 minutes. You may need to log your account in.
- If you are using File Vault, go to disk utility and mount both partitions of your macOS drive and exit the utility. This is important, and failure to do this could wipe your partitions.
- Click the install option and proceed through the process as normal. If you are using File Vault you may need to periodically unlock the disk for the updater to continue.
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