How To Open Disk Utility On Mac If You Need It If the external devices do not work properly.If you need to eject, unmount or mount a disk.If you have any corrupted files and access errors.If multiple apps start quitting all of a sudden.Listed below are a few conditions that will signal you that it is time for you to let the Disk Utility do its job: Now that you know a little about what the Disk Utility is and its uses, you now have to know when should it become useful to you.
How to Check If Your Mac Needs Disk Utility