Step 2: Open the Disk Utility using the search function. This occurs when you select the volume, container, or disk and use the Partition tool instead of Erase. This is typical and not an issue when using the drive as NTFS. Once you open Disk Utility, you can use it to create, wipe, repair, and copy your hard drive partition. But a normal disk image isn’t suitable for backing up to repeatedly, if that’s what you mean – you should use a sparse bundle for that, if you’re going to use an image file.

What scheme to use in disk utility Use Disk Utility to change the partition Scheme.