

If a folder (not a disk !) is named “Install macOS Sierra”, “Install OS X Yosemite”, or “Install OS X El Capitan”, delete the folder (you may need admin rights, thus type your admin name and password).40 Show Details UNetbootin Free UNetbootin is a utility for creating live bootable USB drives. in Finder, click on Go > Go to Folder menu Alternatives to DiskMaker X Rufus Opensource Rufus is a piece of software that allows you to transform a portable drive, like a flash drive or other USB drives, into a bootable drive that can be used for a variety of purposes.Select GUID from the 'Scheme' dropdown menu. If your USB disk is not formatted with that you will need to reformat it accordingly.

#Diskmaker x catalina not bootable install
Basically, a false mount is a folder created with the same name as your Install drive, and that makes the Install disk adopt the same name with “1” at the end, i.e. In order to boot from an external disk it must have a GUID Partition Map. This happens sometimes when creating the install disk because a false mount is created as some point. When creating the Install disk with DiskMaker X, I encounter this error message : “The disk could not be created because of an error: An error occured: -10006.”
