Setting up a new or repurposed Mac may involve updating its firmware – EFI, SMC, and T2 chip if necessary. You can’t do that using imaging, but must run an Apple system installer or updater.
EFI
Hopefully the last fix to accommodate Macs with T2 chips. Recommended for those with Macs with T2 chips.
Now works with Macs equipped with T2 chip, giving iBridge version, and links to EFI firmware version reference. Recommended for all users.
After surprise EFI firmware updates, an unsurprising set of problems. Which version to use, and how to use it? Or is it just a ploy to confuse?
Helps unscramble EFI firmware version confusion, and gives details of the macOS 10.14.1 update properly. Recommended for all users.
Apple doesn’t provide an official list of the current EFI firmware versions which should be installed on each […]
If you have updated to macOS Mojave 10.14.1, or applied the latest Security Update for High Sierra (2018-002) […]
I have now had a chance to analyse the EFI firmware updates included in the macOS 10.14 Mojave […]
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.
