First update it to 11.0.1. Here are details of the problems which can arise and how to solve them, from unenrolling from betas to using Configurator to Revive an M1 Mac.
recovery
When you go to perform a clean re-install of Catalina, what should you do? Which volume(s) to erase or delete, and how to fix problems?
Links to official Apple support articles, and important 3rd party pages. How to run Aperture in 10.15, where to get old versions of macOS, and much more.
Start up in Safe Mode: should it start by checking and repairing your boot disk, or should you do that separately in Recovery Mode?
Don’t just hold Command-R and hope that you’ll install the right version of macOS. Here’s structured decision-making to save you time.
There are now three different Recovery modes. This explains which to use, and provides a flowchart to help you work out how best to reinstall in them.
Over a month after the release of macOS Sierra 10.12.4, Apple quietly let slip the news that it […]
How to use encryption to protect sensitive data on your laptop or removable storage media.
The drive light is green, the disk can be heard spinning, but it does not mount. Is it dead?
Is there anything else I can try to salvage a dead external hard drive, and how should I replace it?
The Eclectic Light Company 