Diagnostic, Recovery, Safe, Startup Manager, Verbose, reset SMC/NVRAM, firmware restore, Target Disk/Display, Single-User (SUM) in outline.
T2
Why is Apple soldering in the SSDs of so many new Macs? What problems does it produce, and should you avoid them?
Why do Macs with T2 chips show a black screen when starting up or updating their firmware, and why so long that it’s scary?
Single-user mode to run fsck to check and repair your boot disk became tricky with Fusion Drives. With a T2 chip, it’s not practical in its traditional form.
If you’ve been running pre-release firmware on your Mac’s T2 chip, trying to revert to a release version could brick it.
Although mainly aimed at Macs with T2 chips, this update brings better saving of main window size and position too.
Why couldn’t you install Security Update 2019-004 on your T2-free Mac, when the problem was in its T2 firmware update?
Apple has just released macOS Mojave 10.14.5 Supplemental Update for certain MacBook Pro models. To tell if your […]
New iMacs were very welcome, but Apple is telling us about its future plans. Will these new versions only sell for the next year? What will replace them?
What should you do when you try to restart in Diagnostics Mode and can’t? And how to check and restore a Recovery partition.
The Eclectic Light Company 