Click View and choose Show All Devices.Select Disk Utility from the macOS Utilities window and click Continue.The tutorial to run Disk Utility First Aid from Recovery Mode on Mac: Read more >īesides, if you have trouble booting up your Mac, you need to run First Aid in macOS Recovery mode to do fixes too. Guide to fix the "First Aid found corruption that needs to be repaired" error on your Mac. It will suggest you run First Aid in Recovery Mode.įix the "First Aid found corruption that needs to be repaired" error However, it won't fix the errors found on the Macintosh HD right now. When your Mac crashes, slows down, or appears other issues, you can run First Aid to check and repair the startup disk. Check if you can access that disk or, your Mac goes normal.īut if Disk Utility First Aid detected errors in the startup volume, you need to run it from macOS Recovery Mode. If Disk Utility reports that the operation is successful or has been repaired, you're done. (Don't do other operations on Mac when First Aid running) Wait until the First Aid finishes running.
Here's how to open First Aid on Mac and use it to repair disk errors. Whether you want to repair corrupted external hard drives on Mac or repair your corrupted USB flash drive on Mac, you can use Mac First Aid. How to open and run Mac First Aid to repair disk?
How to open and run First Aid to repair disk on Mac? This post will guide you on when and how to run Disk Utility First Aid to repair disks, including running First Aid from macOS Recovery mode. If you need to run Mac First Aid to repair disks, please keep on reading. That helps prevent the disk from occurring more seriously corruption. More importantly, First Aid will repair the detected minor errors of the disk formatting and directory structure. Its main task is to check the health of the disks and volumes on your Mac, such as the SSD, Macintosh HD, external hard drives, SD cards, etc.
Disk Utility First Aid is a built-in disk repair software on Mac.