What have you done so far? How are you booting? Do you have Grub installed to the mbr or somewhere else? If somewhere else, how are you accessing it? Through some other boot loader?
You need to give me more information about your set up, including your partition table and what OSs you have installed.
Insanity: Doing the same thing over and over and each time expecting a different result.
Democracy is 2 wolves and a lamb voting on the menu. Liberty is an armed lamb protesting the electoral outcome. A Republic negates the need for an armed protest.