Install MacKeeper to scan your Mac, fixing any existing issues and ruling out other potential problems before trying to repair the disk. Lots of the same symptoms can be caused by other problems, like a lack of storage or a malware infection. It isn’t always easy to diagnose a problem with your Mac disk, be it an HDD or an SSD. In this guide, we’ll show you how to use Disk Utility to run First Aid and repair any disks connected to your Mac. Luckily, Apple includes a handy tool you can use to repair your Mac: Disk Utility. You might need to repair your Mac disk if your computer won’t start up, apps keep freezing, you can’t open certain documents, or the performance has slowed to a halt.
