Today’s Mac Gem is a simple one, but it’s sure to be useful to developers, frequent users of Boot Camp, and anyone else who regularly boots their Mac from different startup volumes. A few years back, ...

greetings. JUST recieved a new dell about a week ago and it has worked great since I got it. it was accidentily unplugged while it was on and now when i re-boot it says: unmountable_boot_volume. I ...

Today I was humiliating bots on quake & got bored & decided to watch a movie on telly. So I Ieft the computer on the quake menu & turned the monitor off (useally I just let the screensaver take over & ...

Bombich Software recently updated Carbon Copy Cloner to version 6, and its founder, Mike Bombich, posted a blog entry explaining some of the intricacies involved with updating cloning software for Big ...

There are a couple of bootup warning signs that may occur with the Mac OS, the most common of which is the folder with the blinking question mark, which means a valid ...

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 ...

Although EC2 is normally a reliable platform for hosting virtual machine instances, things can and sometimes do go wrong, and here Brien Posey explains how to fix problems with an instance's boot ...

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.

While this ability to install use multiple operating systems on Macs is convenient, in some instances problems with a non-Mac OS X system installation can prevent users from being able to boot back ...