If you're facing a problem with your startup disk, you'll need to run First Aid from Recovery Mode - we'll cover this in just a moment. After analyzing the disk directory, First Aid will determine if it can repair any detected damage. It has multiple built-in capabilities that can detect and repair errors.

The First Aid function within Disk Utility can quickly check the status of your Mac disk, volumes, and external devices. Some folks really don’t like the thought of poking around in Disk Utility, but it’s simple to use and not a place to fear. What is the Disk Utility’s First Aid function? Here, we’ll explain how to run First Aid to fix possible problems on your Mac.

These kinds of issues indicate there could be a problem with your Mac disk that definitely needs investigating.

If you're experiencing these issues on your Mac, it might be time to run the Disk Utility’s First Aid function and repair your disk:įirst things first, if you're encountering any of the above items, it's time to backup your data before it's too late.