Note that if you get any errors, be sure your USB drive is formatted and named “INSTALLER” so the command will properly target it. Press Enter to run the pasted command, and supply your password when prompted (it will not show when typed). N.app/Contents/Resources/createinstallme\ĭia -volume /Volumes/INSTALLER -applic\Ītionpath /Applications/Install\ OS\ X\ El\ Ca\ Sudo /Applications/Install\ OS\ X\ El\ Capita\ Open the OS X Terminal and run the following command (copy and paste all 5 lines):.Use Disk Utility to format it to HFS+ with a GUID partition scheme, naming it INSTALLER.For this, you will need a spare external drive (USB drive, or hard drive) that is at least 8GB in size, and then perform the following steps: If this program is missing or will not run, then move it to the trash and empty the trash, followed by re-downloading it from the App Store.Īn alternative approach is to create a dedicated installation drive from the El Capitan installer, and use that to install the upgrade.
