System Setup; Bios Overview; Entering Bios Setup Program; Navigation Keys - Dell OptiPlex 7480 All-In-One Service Manual

NOTE: Depending on the computer and its installed devices, the items listed in this section may or may not be displayed.
Topics:
•

BIOS overview

•

Entering BIOS setup program

•

Navigation keys

•

Boot Sequence

• System setup options
• System and setup password
BIOS overview
The BIOS manages data flow between the computer's operating system and attached devices such as hard disk, video adapter, keyboard,
mouse, and printer.
Entering BIOS setup program
About this task
Turn on (or restart) your computer and press F2 immediately.
Navigation keys
NOTE: For most of the System Setup options, changes that you make are recorded but do not take effect until you
restart the system.
Keys Navigation
Up arrow Moves to the previous field.
Down arrow Moves to the next field.
Enter Selects a value in the selected field (if applicable) or follow the link in the field.
Spacebar Expands or collapses a drop-down list, if applicable.
Tab Moves to the next focus area.
Esc Moves to the previous page until you view the main screen. Pressing Esc in the main screen displays a message
that prompts you to save any unsaved changes and restarts the system.
Boot Sequence
Boot Sequence allows you to bypass the System Setup–defined boot device order and boot directly to a specific device (for example:
optical drive or hard drive). During the Power-on Self-Test (POST), when the Dell logo appears, you can:
• Access System Setup by pressing F2 key
• Bring up the one-time boot menu by pressing F12 key.
The one-time boot menu displays the devices that you can boot from including the diagnostic option. The boot menu options are:
• UEFI BOOT

System setup

System setup
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