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.

A step-by-step guide to fixing a black screen on MacBook Pro or an external monitor.

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 ...

Exact steps for Intel and Apple Silicon Macs ...

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 ...

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 ...

A couple of weeks ago, my Mac displayed an alert that said my Time Machine disk was damaged and I should repair or replace it as soon as possible. The first thing I tried was Disk Utility's First Aid ...