Verbose mode means that you’ll be able to see exactly what’s going on under the hood as OS X attempts to boot up its installer. Press the spacebar and select Boot Mac OS X in verbose mode.
Use the arrow keys to select Boot OS X Install from Install OS X El Capitan (It should be selected by default). Connect a Playstation 3 Controller to a Mac in MacOS Sierra, OS X El Capitan, Yosemite, & Mavericks The process of connecting and using a PS3 controller with a Mac is the same with basically every version of OS X beyond Lion, including MacOS Sierra 10.12, OS X 10.11 El Capitan, 10.8 Mountain Lion, 10.9 Mavericks, 10.10 Yosemite, etc.
