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 ...

OS X’s Disk Utility—which enables you to format, partition, repair, and perform other kinds of maintenance on disks (including SSDs, flash drives, and disk images)—is good for what it does. Yet for ...

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 ...

Apple released its latest macOS update in September, dubbed High Sierra. For most, it should provide a fairly solid experience, however, if you want to perform more advanced tasks, such as formatting ...

To restart an Intel Mac in Recovery Mode, hold Command+R when the computer restarts. For Apple Silicon Macs, press and hold ...

On an older Intel-chipped MacBook Pro, press and hold the power button for about 10 seconds, then press and release the power ...

Repairing Disk Permissions. Not exactly a topic that you would expect to spark much controversy. Yet, surprisingly, it is the focal point of a rather heated debate. The command itself is innocuous ...

Disk Utility is a hard disk management application that comes with the Mac operating system. The software offers a number of hard drive management functions, including the ability to partition and ...

A DMG file is a proprietary disk image file format developed by Apple for its Macintosh line of computers. These are large, single files that comprise the entirety of a physical disk, such as a DVD or ...