Sure you can boot your system disc to run Disk Utility but I've found in many cases, I needed a lot more. You can also boot from your utility program discs, but that's time consuming and it's possible ...

Disk Utility is Apple's go-to macOS app for finding and repairing common disk errors, but if it's your Mac's internal disk that's the problem, then your Mac might not even start up into macOS.

The First Aid feature in Apple’s Disk Utility (/Applications/Utilities) represents one of the oldest and most helpful repair utilities available for your Mac. But ...

It won't cure all of your Mac's ills, but a quick and easy first step toward bringing a sluggish Mac back to health is using OS X's Disk Utility to repair disk permissions. Matt Elliott Senior Editor ...

When Disk Utility reported my Powerbook's hard drive had an "invalid key length" that could not be repaired I was more than a little concerned. Thankfully, Mac disk recovery tool Disk Warrior was able ...

One of my biggest concerns about Apple distributing Mac OS X 10.7 Lion via the Mac App store has been resolved. One intrepid Lion beta tester has discovered a hidden secret inside of Lion’s ...

[Editor’s note: This article is part of our series of articles on installing and upgrading to Lion (OS X 10.7). We also have a complete guide to installing and upgrading to Mountain Lion (OS X 10.8).] ...