When should you put your Mac into DFU mode, hook it up to another Mac running Configurator, and revive or restore it?
troubleshooting
Login and Background Items are increasingly common, and can cause all sorts of problems. Diagnosing and fixing them is better in Ventura.
What if you’ve forgotten your Mac’s password, or the secondhand Mac you bought expects you to enter one, or its owner has died?
From a boot loop to almost any other glitch that occurs after a macOS update, guidance as to how best to recover and fix it.
When you know an update has been released, but your Mac can’t find it, or you try to install the update but it fails with an error.
Disk errors threaten your data: how to detect them, how to use First Aid in Disk Utility, how to use fsck, and what to do with the disk afterward.
Sometimes, a cold boot fixes problems not fixed by a simple restart. Why, and which problems is it better at fixing?
How to tell whether an app has a memory leak, what to do about it, and the differences from a kernel memory leak.
Causes include code signature errors, app translocation, damaged documents, and corrupted or incompatible preference file.
How to capture the panic log, immediate actions likely to help make a diagnosis, and how to read the panic log.
The Eclectic Light Company 