Dell OptiPlex GX300 - Manual (Page 90)

System Setup Navigation Keys
Table 1 lists the keys you use to view or change information on the System Setup screen and to exit the program.
Table 1. System Setup Navigation Keys
Back to Contents Page
Keys Action
or
Moves to the next field.
or
Moves to the previous field.
or
Cycles through the options in a field. In many fields, you
can also type the appropriate value.
or
Scrolls through help information.
Enters the selected field's pop-up options menu.
spacebar or
or
In the selected field's pop-up options menu, cycles
through the options in a field.
Exits System Setup without rebooting the system and
returns the system to its previous state
—the boot
routine. 1
Exits System Setup and reboots the system,
implementing any changes you have made.
Resets the selected option to its default setting.
1 For most of the options, any changes you make are recorded but do not take effect until the next time you boot the system. For a few options
(as noted in the help area), the changes take effect immediately.