How to control Login and Background items in System Settings, how to identify those you might not recognise, and how to use sfltool for advanced diagnostics and reset.
Safe mode
What disk checks are made in Safe mode? How are they different from those run during normal startup? If Disk Utility is to be our only APFS repair tool, shouldn’t have more and better features?
Claimed to block 3rd-party extensions and customisations from loading, check the startup disk, and to clear some system caches. When and why should you use it?
You’ve just installed an update or upgrade and your Mac just isn’t right. How to tackle everything from a boot loop to a downgrade.
How much free disk space could you recover if your Mac is short of space and you need more to upgrade to Sonoma? Should you try flushing its caches in Safe mode?
What does Safe mode do to all those service caches managed by CacheDelete? Does it still check your boot disk too?
A simple task: deauthorise an M1 Mac mini to hand on, then use EACAS to wipe it ready for its next user. But deauthorisation wouldn’t work.
They’re everywhere: whatever you do, something somewhere will cache it. Later that can cause puzzling problems, but makes our Macs faster as a result.
Invaluable tool for identifying and locating some problems, for troublesome updates, clearing caches and more.
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.
The Eclectic Light Company 