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T2

Firmware updates with macOS 13.4, 12.6.6 and 11.7.7

Some Intel Macs without T2 chips have firmware updates with last week’s security updates. Here are the details.

May 23, 2023 Macs, Technology

When your Mac can’t get to the login window

What to do when your Mac panics during booting, and enters a boot loop, or when it simply fails to get to the login window.

May 17, 2023 Macs, Technology

Identifying the state of your Mac: is it dead or alive?

Is that Mac completely dead due to a severe failure, or could it just be in DFU mode? They aren’t easy to distinguish on most Macs.

May 15, 2023 Macs, Technology

Has Apple sounded the last POST?

Power-on self-test routines are widespread in electronics, and one of the oldest features in personal computers. Do Apple silicon Macs run them?

May 12, 2023 Macs, Technology

Is this the end for eficheck and non-T2 Intel Macs?

In just over a month, Apple is expected to announce macOS 14. How many Intel Macs without T2 chips are likely to be supported? What about their firmware?

May 5, 2023 Macs, Technology

Why you should enable FileVault

T2 and Apple silicon Macs always encrypt the Data volume in internal storage. So why bother with enabling FileVault? And can you do that on external bootable disks?

March 31, 2023 Macs, Technology

Fixing firmware update problems

What should you do if a firmware update goes wrong? Here’s a guide to avoid panic, whether your Mac is Intel, has a T2, or M-series chip, and for Studio Displays.

March 29, 2023 Macs, Technology

How troubleshooting has changed with macOS security

macOS has changed fundamentally. So has troubleshooting it. Secure Boot, the SSV, and Gatekeeper checks bring changes in strategy.

March 6, 2023 Macs, Technology

What’s the overhead of using APFS encryption?

Is the performance overhead of using APFS Encrypted volumes to store sensitive data a reason for not doing so?

March 3, 2023 Macs, Technology

Secure Boot and disaster recovery for Apple silicon Macs

Apple silicon Macs are better-equipped to prevent and deal with disaster. Restoring in DFU mode is extremely unusual, and more powerful than anything you can do with an Intel Mac.

February 23, 2023 Macs, Technology

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