As noted in Knowledge Base article #25770, the version of Disk Utility (10.5.1) included with Mac OS X 10.4.2 can fixed overlapped extent allocation errors -- problems with disk directory structure ...

Image: D. Griffin Jones/Cult of Mac A good way to separate your data is to partition your Mac hard drive. A partition splits your storage into two spaces, like putting a trunk divider in your car. The ...

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.

Disk partitions can be a good way to keep personal and system data separate or useful if you want to run Windows alongside macOS. Setting them up can be a bit tricky, so it’s a good idea to use ...

Disk Utility provides features for creating disk images, RAID, and repairing disks. In the second part of our deep dive, we'll look at those options. In part 1 of this series, we looked at the basics ...

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 ...

MacFixIt reader Bill reports that performing a reformat of the iPod's hard drive in Apple's Disk Utility (located in Applications/Utilities) can sometimes work as a ...

Practically everyone has files or folders they keep on their Mac that they don't want anyone else to access. AppleInsider explains how to keep these files secure by turning a folder into a protected ...

Repair Disk isn’t the first option you should choose if your Mac is ailing, but it is helpful when (for example): Performance has degraded Data is missing You are experiencing degraded system ...