When testing out beta versions of macOS, I rarely install them on my main Mac volume containing the current version of macOS. Instead, I prefer to simply create a second volume dedicated to the beta.

Apple today updated its macOS 12.3 beta release notes to warn macOS Catalina users about a potential boot loop issue when installing the macOS 12.3 or macOS 11.6.4 betas on a separate APFS volume with ...

I got a Mac Mini several years ago that came with Catalina. I hated the new look of Big Sur, so I never installed that. I now want to install a newer MacOS (Monterey), but initially and perhaps ...

Apple Software Restore lets you clone your Mac even with a Signed System Volume. Here's how to use it to copy your Mac's storage. For a variety of reasons, you may want to make a clone of your Startup ...

My friend was wiping my Mac so I could sell it and I’m pretty sure they’ve deleted the start up disk? It’s not letting me reinstall the OS on a recovery startup. She wonders about a fix. There are a ...

Some Macworld readers are concerned about upgrading to macOS High Sierra, which offers the new APFS (Apple File System) that replaces the nearly 20-year-old HFS+ filesystem. APFS offers a lot of ...

Topher, an avid Mac user for the past 15 years, has been a contributing author to MacFixIt since the spring of 2008. One of his passions is troubleshooting Mac problems and making the best use of Macs ...