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Known bugs in macOS Mojave 10.14.1: an incomplete summary

A new version of Mojave brings some fixes, and introduces some new bugs. Here a few for starters. I’ll add more as we discover them.

November 1, 2018 Macs, Technology

Booting the Mac: macOS 10.14 Mojave, and shutdown

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Stepping through key points in the log as Mojave 10.14 starts up. Most of the key waypoints are similar to those in High Sierra.

October 5, 2018 Macs, Technology

Known bugs in macOS Mojave 10.14: an incomplete summary

Mojave’s first full release is looking relatively free of bugs so far. This list is updated as and when new information arrives.

September 26, 2018 Macs, Technology

Diagnosing a Mac which can’t complete booting

What to do when your Mac won’t boot into the Desktop and Finder – another summary diagram for diagnosis and suggested solutions.

September 18, 2018 Macs, Technology

Updated visual summary of the Mac boot process

Adds details of the sequence of screens displayed at each stage, to help diagnose boot problems.

September 17, 2018 Macs, Technology

Booting the Mac: Will my Mac boot from this disk? A visual guide

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.

September 1, 2018 Macs, Technology

Booting the Mac: bless, and what makes a volume bootable

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.

August 30, 2018 Macs, Technology

Booting the Mac: Visual Summary

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.

August 25, 2018 Macs, Technology

What’s stored in NVRAM?

Listing of known NVRAM variables and their usage/meaning, together with notes on how to change them.

August 24, 2018 Macs, Technology

Booting the Mac: EFI ‘firmware’

What boot.efi does to prepare to load and run the kernel: building the hardware device tree, handling startup key commands, and more.

August 21, 2018 Macs, Technology

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