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.

You are about to transfer some important files from an external drive to your Mac, and suddenly you get the message “Disk Not Ejected Properly” The transfer fails, and you have to start all over again ...

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 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 ...

Apple's macOS, through UNIX, provides a variety of tools to keep your drives healthy, with one of them being the fsck Terminal command. Here's how to use it. fsck, or "file system consistency check," ...

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 ...

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