How to Open Disk Utility on a Mac. 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 ...

Open Disk Utility, choose your external drive and select the "Repair Disk" and "Repair Disk Permissions" options, if available.

Use Disk Management The first and probably easiest way to view the status of one or more drives is to use Disk Management. See How to Open Disk Management if you've never worked with this tool before.

Open disk management—you can navigate there or hit Windows Key + R and then type "diskmgmt.msc"—and find the USB drive. Right-click the drive and select Change Drive Letter and Paths.

Open Disk Cleanup using Windows Search, select the drive you want to clean, and click the "OK" button. Wait for Disk Cleanup to scan for files it can safely remove from the drive.

This post will help you with how to add Disk Cleanup to right-click menu of hard drives in Windows 11/10. By adding this option, you can open Disk Cleanup for a particular drive with just two ...

How can I open the user Library folder in a disk image located on an external disk? The technique of selecting Go and holding down the Option key reverts to desktop computer.

Quit any disk utilities or other programs that are using this drive, and make sure that no window is displaying the contents of the drive. Then try formatting again.