Disk Utility can help you when you’re having problems with your startup disk, corrupted files, apps that close unexpectedly, or when you need to mount/unmount, eject, repair, erase, format, or partition your disk, among other things.
This article will teach you how to access Disk Utility through Recovery Mode. Alternatively, you can follow the How to enter Disk Utility on Mac guide, if you don’t need to use Recovery Mode.
1. Click on the Apple logo at the top left corner of the screen.
2. Select Restart from the drop-down menu.
3. After Step 2, immediately hold down the Command and R keys, until the Apple logo or a spinning globe shows up.
After completing these steps, you’ll enter Recovery Mode.
The following options will be available to you:
- Restore from Time Machine Backup
- Reinstall macOS
- Get Help Online
- Disk Utility
4. All you have to do is to select Disk Utility from the menu.