How Software Update settings obtains a list of available updates, and the variants that should contain. How mobile asset catalogues are checked, and preparations made to download the update.
recovery
What do you do if you can’t start your Apple silicon Mac in Recovery? Try Fallback Recovery, as explained in detail here.
How to erase just the Data volume, the whole Boot Volume Group, all volume’s in the Mac’s visible container, or the entire internal SSD.
Catch up on your reading with selected articles from the past year, covering hardware, firmware and Recovery, troubleshooting and updates.
Systematic and thorough account of the structure and function of bootable external disks and dual-boot systems from High Sierra to Sequoia, and how to diagnose their problems.
Working with external bootable disks: how to create and add them, ownership and LocalPolicy, how that can be changed, and what happens with errors and failure.
Going deeper into Recovery mode, by setting the correct keyboard, sharing the Data volume with another Mac, using full features in Disk Utility and Safari, and avoiding repairing Home permissions.
How the immutable system of the SSV, the firmlinked Data volume, and cryptexes ‘grafted’ into the directory tree combine to form the boot volume group of Intel and Apple silicon Macs running macOS 15.
You’ve just updated to 14.4 or 14.4.1 and are prompted to set up a new Recovery Key for FileVault. What do you do next, and how should you check the key?
There’s a problem with your Mac, so you try starting it up in Recovery. But that doesn’t work. What should try next? Intel and Apple silicon Macs are then quite different.
The Eclectic Light Company 