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Why is my Mac’s firmware version wrong, and what to do about it?

Why your Mac’s firmware version may not be the latest you expect. What you can do about that, depending on its type.

November 7, 2022 Macs, Technology

Firmware and macOS upgrades

The rules of firmware updating explained, and their consequences for each type of Mac. How to refresh firmware on a T2, and how to downgrade it in an Apple silicon Mac.

October 6, 2022 Macs, Technology

Explainer: The ‘bricked’ Mac

Should you be scared of ‘bricking’ your Mac? Just what does it mean, and what could you do about it? Don’t panic: it’s not a dragon to be slayed.

April 2, 2022 Macs, Technology

Is there still something amiss in the M1 firmware?

Erase your M1’s internal storage in Recovery, reinstall macOS and you could see an error in which it failed ‘to personalize the software update’. That’s not easy to fix, as explained here.

June 18, 2021 Macs, Technology

Firmware and Recovery upgrades and downgrades on different Macs

What would happen to a Mac’s firmware if you installed Monterey beta to its internal or external disk? Could that be reversed?

June 10, 2021 Macs, Technology

How to make macOS betas and upgrades safer

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.

June 4, 2021 Macs, Technology

How to roll your M1 Mac back to Big Sur 11.1

macOS updates sometimes don’t work out right. What can you do to revert to the previous release? Did I hear you mention snapshots?

February 9, 2021 Macs, Technology

Introducing your new M1 Mac

First update it to 11.0.1. Here are details of the problems which can arise and how to solve them, from unenrolling from betas to using Configurator to Revive an M1 Mac.

November 26, 2020 Macs, Technology

What to do when a T2 Mac suffers a problem updating its firmware

If there’s one thing you don’t want to happen with any Mac with a T2 chip it’s a […]

April 13, 2020 Macs, Technology
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