One Thunderbolt port is the designated DFU port, to be used when connecting via USB-C in DFU mode, and to be avoided for external bootable disks. But how can you identify it?
T2
You press the Power button, but nothing happens. Has your Mac suddenly died, does it have a problem you can fix easily, or is it just in DFU mode?
You’re sometimes advised to shut your Mac down, wait a while, and start it up again, instead of restarting it. Are they different, and if so when should you use them?
It throws away the encryption key for the Data volume, effectively wiping all its data. It doesn’t alter the System volume, SSV, or the macOS installed.
You’ve tried entering your password, but it doesn’t work. Should you try guessing? As that imposes increasing waiting times of up to 8 hours, maybe not. Try this instead.
The T2 chip was designed for FileVault, and it comes at no cost to that and in Apple silicon Macs. Here’s how it works, and why everyone should enable it.
Listing for all compatible Intel Macs with T2 chips, and all Apple silicon Macs.
Are you intending to upgrade to Tahoe on Monday? Or to Sequoia or Sonoma? Are you ready to cope with what could go wrong? Here are some tips to help you prepare.
Originally the ‘security enclave’, and subject of a series of patents, it was introduced in the iPhone 5s in 2013, then the T2 in 2017, and blossomed in M-series Macs from 2020.
The panic log tells you it was a SEP Panic. What’s the SEP, and how is this different from any other panic? And what should you do about it?
The Eclectic Light Company 