Shutdown your Mac: Go to Apple menu  and select Shutdown.

In order to use macOS Recovery, you will be rebooting your Mac, so you will want a supplementary way to view these instructions. MacOS Recovery can help you repair or erase disks, restore from Time Machine or reinstall macOS.

Disk Utility may or may not be able to help with your problem, but it is a recommended place to start. Use macOS Recovery to Repair your DiskĬhecking your disk and its volumes for errors is general advice for when you are having problems with one of your disk volumes. For more information on backing up your Mac, see How to Back Up your Mac with Time Machine. See also: How to Free Up Storage Space on your Mac Backup your Macīefore you begin, you should make sure you have a recent backup of your Mac. However, before deleting entire disk volumes, there are several steps you should take to both make sure your data is safe, and to make sure you remove the redundant volume properly. This would indicate that in order to fix this problem, you will want to remove one of these volumes. For example, your two data volumes may have the same size. Now, it appears that, for whatever reason, there is a redundancy. At that time, some users reported having disk volumes like:

Starting with macOS Catalina, system files have been separated out into their own disk volume, Macintosh HD, while user data resides in Macintosh HD – Data.Ī similar problem with extra volumes or volumes that couldn’t be unlocked has come up before, when users were upgrading to Catalina. If everything is as it should be, you should see a volume named Macintosh HD and one named Macintosh HD – Data (assuming you haven’t made changes in the past to your disk’s name or structure).

How to clean macintosh hd data