On Intel Macs, resetting the SMC was a universal panacea until the T2 came along. What can we do instead with an M1 Mac?
T2
What is FileVault encryption? Is it the same as that on an M1 Mac’s internal SSD, or something different? How can you use it instead of overwriting an SSD? Which boot volumes are encrypted?
What do you need to do before selling or giving away your Mac to someone else? Here’s a summary, covering all from Intel to M1 models.
A strange volume named xART or xarts, secure memory management, and long random numbers: how they fit together to protect against replay attacks.
How useful is the traditional panacea of re-installing macOS in Big Sur? And is it worth maintaining an external recovery disk to deal with problems?
What would happen to a Mac’s firmware if you installed Monterey beta to its internal or external disk? Could that be reversed?
Whether it’s a beta of macOS 12, 11.5, or even a release upgrade, installing it is a risk. Here’s how to mitigate disaster by rolling back to a previous release.
How boot security has changed in the M1 Mac. What it allows you to do, and how it restores flexibility and versatility of external boot disks.
Before Apple added T2 chips to Intel Macs, external boot disks were valuable for many users. How has that fared since?
Improved tests, statistical analysis, and interface, together with a 21 page Help book detailing its range of tests in 5,000 words. Ready to use for real.
The Eclectic Light Company 