When you start Setup, the main menu is displayed:
Select options from this menu using
and 
to move the cursor block. When the selection you want is highlighted, press Enter.
Each option on the main menu (except Exit) displays another menu of choices. After making your selections on the submenu, you can exit in one of the following ways:
•To exit the submenu without making any changes, press
until the cursor block returns to the main menu, or simply press ESC. This
cancels any changes you just made to the configuration.
• To set your changes, press 
to highlight ** SAVE SETTINGS ** and press Enter. When you exit Setup, the changes are written to the CMOS RAM, and the computer is rebooted with the new settings.