eHow - Computershttp://www.ehow.com/guide_5-http://www.ehow.com/guide_5-computers.html.htmlwww.ehow.comHow to Designate a Start-Up Drivehttp://www.ehow.com/how_4992401_designate-startup-drive.htmlDesignate a start-up drive for a computer by rebooting the computer and accessing the computer's setup program. Designate a CD ROM, DVD ROM or hard drive as the start-up drive with these tips from an experienced computer user in this free video on computer hardware. Published on 5/2/2009