How to run Mac Disk Utility First Aid to repair the disk

How to run Mac Disk Utility First Aid to repair the disk

How to run Mac Disk Utility First Aid to repair the disk on MacBook. Disk Utility’s First Aid feature can verify the health of a hard drive and, if necessary, repair the hard drive’s data structure to prevent minor problems from turning into big problems. With the advent of OS X El Capitan, Apple made a few…