If there is the important data stored in the drive, please back up the important data firstly and then erase it. Step 6: Please click 'Erase' to begin erasing. Step 5: Enther the name, select file system and partition partition scheme. Step 4: Click 'Erase' button on the top of Disk Utility window. In some situations, disk utility cannot repair the corrupted disk, please try iBoysoft Mac Data Recovery to recover lost data if you lost the important data. Step 5: Click 'Run' button to start the repair on the specific drive.

Step 4: Click 'First Aid' button on the top of Disk Utility window. Step 3: In the left panel of Disk Utility, select the drive you want to repair. Step 2: Double-click Utities and double-click Disk Utility. Step 1: Open Finder and click Applications folder in sidebar. Startup is complete when you see the macOS Utilities window: How to repair the file system problems with First Aid?įirst Aid is a utility built-in the Macintosh operating system for checking and repairing file system errors on the specific drive. Hold down the keys until you see the Apple logo or a spinning globe. To access the Disk Utility in macOS recovery mode, press and hold down Command+R keys immediately upon hearing the startup chime.

Or, open the Finder, click Applications folder in the sidebar, double-click the Utilities folder and then double-click Disk Utility. You can also click the Launchpad icon on your dock, click the Other folder and then click Disk Utility. To access the Disk Utility in macOS, just press Command+Space to open Spotlight search, type 'Disk Utility' into the search box, and then press Enter. Updated by Tim Mac Disk Utility on June 10th, 2019 How to access Mac disk utility?

Run disk utility mac