A checklist of the latest EFI firmware versions which should be running on each recent Mac model.
Mac
Consolation can now open logarchive and individual tracev3 log files, provided that they conform to Apple’s logarchive format.
As Apple controls hardware, firmware, system software, and their updates, EFI firmware should be kept up to date reliably. But it isn’t. What’s gone wrong?
How to control whether your 2016 MacBook Pro sounds a startup-chime or start up when you open its case, why you can’t unmute a 2017 iMac, and how High Sierra changes your NVRAM.
How to update your firmware, reset the SMC, and reset the NVRAM (or zap the PRAM), and what they do. Updated for High Sierra.
Just when you thought it was safe to update, everything goes terribly wrong. Before you lob your Mac out of the window, try these.
Safe mode, or Recovery? Which type of Recovery? How to engage all those useful modes at startup, and when shutting down.
Barriers to living in more remote areas with high quality of life are being removed, but self-sufficiency is important. Changes in macOS do not help.
Got a setting that you just can’t get to stick properly? Here’s a listing of preference files for Sierra, and pointers to all sorts of other settings too.
What do you do when you open a document, only to find that the wrong app opens it? Here’s how to tackle that and more.
The Eclectic Light Company 