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How clean re-installs change in Catalina (updated)

When you go to perform a clean re-install of Catalina, what should you do? Which volume(s) to erase or delete, and how to fix problems?

December 17, 2019 Macs, Technology

Beware Apple security certificates after 24 October: they may have expired

T T Read More

Don’t rely on being able to use any Apple installer package unless it has been downloaded recently: its certificate is about to expire.

October 18, 2019 Macs, Technology

Which Recovery Mode?

Don’t just hold Command-R and hope that you’ll install the right version of macOS. Here’s structured decision-making to save you time.

September 27, 2019 Macs, Technology

Why is my system update history wrong?

You’re running High Sierra, but SystHist reckons you installed Mojave, and have recently applied High Sierra security updates. Isn’t it wrong?

May 8, 2019 Macs, Technology

How to install a printer in macOS Mojave

A sequence of steps to safely install the optimum printer driver for new and old models in macOS Mojave.

October 22, 2018 Macs, Technology

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