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That will make your Mac run blazingly fast for a few months or more, and many people report that it fixes longstanding problems they’ve had too. When you install a new major version of OS X, or after some time has passed, it is a good idea to do a clean install (that is, to erase the disk you are installing OS X onto as part of the installation process).
#Disk creator for mac for mac#
The idea behind a macOS Clean Install Install Disk Creator For Mac Software When I used Install Disk Creator to create a bootable USB key installer, and asked it to access an OSX.app installer I was storing in my applications folder - bingo! Hope this helps.
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In the main window, you’ll see a pop-up menu under. Then follow these steps to create your bootable macOS Catalina drive.It installs an app named Install OS X El Capitan into your Applications folder. On a Mac that is compatible with El Capitan, open the disk image and run the installer within, named InstallMacOSX.pkg. Download: OS X El Capitan This downloads as a disk image named InstallMacOSX.dmg. Go to the backup disk and use Duplicate (free) or Mac Backup Guru to right-click. Note: The Finder’s built-in “Copy” and “Paste” will not work for the following. Boot up from this newly created startup disk. Erase the startup disk and install macOS onto it. Create a bootable USB Installer with Install Disk Creator and boot from it.