Invaluable tool for identifying and locating some problems, for troublesome updates, clearing caches and more.
Safe mode
A step-by-step fully illustrated guide to how to use every feature in Recovery Mode on an M1 or M2 Mac running Big Sur, Monterey or Ventura.
From Diagnostics Mode to Terminal, a full account of the features available to Apple silicon models, how to engage them, and navigation.
Update failed to install.
What do you do next? Just try to download it again? What if you’re running a local Content Caching server?
How to use an M1 Mac’s Recovery system to boot in Safe mode, boot from another disk, and use its other important features. With a map.
According to macOS Help, safe mode stops some software from loading, and performs a check of the startup disk. Here’s a more detailed and accurate account of what it does.
From killing a process, through a regular restart, to Recovery and a bootable external recovery disk, all you need to know about fixing your Mac in macOS 11 and 12.
They contain recently browsed web pages, ARM code translated from Intel executables, security data, font information, and much more. And they can cause problems.
A guide to what you can do when a Big Sur or other macOS update goes wrong, from Safe mode to DFU mode and Configurator 2.
From Startup Manager to Internet Recovery on Intel Macs, and how to engage each of those in an M1 Mac. With comprehensive diagrams.
The Eclectic Light Company 