Don’t rush to upgrade if you rely on Extensions, which might be disabled. There’s also a vulnerability in running old versions of plugins like Flash.
Adds details of the sequence of screens displayed at each stage, to help diagnose boot problems.
You want to boot your Mac from an external drive, but it doesn’t work. A diagram to explain what can go wrong, and how to fix it.
The command bless used to be able to control all things to do with booting, but has become steadily less useful with the advent of SIP and others.
Apple has just released macOS High Sierra 10.13.6 Supplemental Update 2 for MacBook Pro (2018) models with T2 […]
Single-diagram summary of how a modern Mac starts up in macOS 10.12 or 10.13, from pressing the Power button to running the kernel.
How macOS gets to load a hefty kernel and over 300 extensions so quickly: it cheats with a pre-linked kernelcache. And why you don’t see extensions loading in the log.
Stepping through the key stages of opening an app in High Sierra. First, a ‘regular’ open, then with the quarantine flag, showing Gatekeeper checks and translocation.
It contains EFI firmware updates for other models, some already out of date, and a complete set of kernel extensions, again. Why?
Has repairing permissions on Home folders proved successful in Sierra? Should it be considered as a solution in High Sierra and later? Is it even available there?