Chosen Solution
My Mac has been shutting down. These are my power settings.
Ran this command log show –predicate ’eventMessage contains “Previous shutdown cause”’ –last 256h Filtering the log data using “composedMessage CONTAINS “Previous shutdown cause””
as provided by @johnaaragon. Skipping info and debug messages, pass –info and/or –debug to include. Timestamp Thread Type Activity PID TTL 2019-10-31 05:32:46.846428-0500 0xb2 Default 0x0 0 0 kernel: (AppleSMC) Previous shutdown cause: -128 2019-10-31 20:12:07.810892-0500 0xb2 Default 0x0 0 0 kernel: (AppleSMC) Previous shutdown cause: -128 I uninstalled a kext from Snagit because I thought it might be the cause. would love to find out what my next steps may be.
The best thing here is to create a USB OS installer drive to redo the drive. Of course make a TimeMachine backup of your user accounts, apps & data so you can restore them later. Catalina is still a bit buggy! So make sure you apply all of the updates afterwards or just go back the Mojave for now. How to create a bootable macOS Mojave installer driveHow to create a bootable macOS Catalina installer drive You will want to boot up under it using the Option key to enter into the Startup Manager Then delete all of the partitions via Disk Utility and then reformat the drive to GUID with APFS file system. Then re-install macOS.
