ElDiabloConCaca said:Can you provide some detail about your setup? What Macintosh model are you using? What version of OS X? What kinds of peripherals do you have connected -- any USB ones besides keyboard/mouse? What kind of keyboard/mouse?
Made any changes to the operating system or hardware recently?
03. Press and keep pressed the <option> key during the boot up process.
04. A set of icons representing your boot drive and the DVD will appear. When the mouse cursor eventually switches to an arrow, select the 'DVD' icon, and then click on the right pointing 'arrow' button.