Create a OS X El Capitan Bootable USB Drive/Installer
- Get a USB Thumb Drive with at least 8G on it.
- Rename it to be title “untitled”.
- Down the the El Capitan installer (it should be saved in the “Applications” folder).
- Open the Terminal App
- Type in the following command:
sudo /Applications/Install\ OS\ X\ El\ Capitan.app/Contents/Resources/createinstallmedia –volume /Volumes/Untitled –applicationpath /Applications/Install\ OS\ X\ El\ Capitan.app –nointeraction