Chapter 5: System Setup Options; Bios Overview; Entering Bios Setup Program; Navigation Keys - Dell Latitude 5490 Owner's Manual

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

BIOS overview

•

Entering BIOS setup program

•

Navigation keys

•
One time boot menu
• Boot Sequence
• System Setup overview
• Accessing System Setup
• General screen options
• System Configuration screen options
• Video screen options
• Security screen options
• Secure Boot screen options
• Intel Software Guard Extensions
• Performance screen options
• Power Management screen options
• POST Behavior screen options
• Manageability
• Virtualization support screen options
• Wireless screen options
• Maintenance screen options
• Updating the BIOS
• System and setup password
• Clearing CMOS settings
• Clearing BIOS (System Setup) and System passwords
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
1. Turn on your computer.
2. Press F2 immediately to enter the BIOS setup program.
NOTE: If you wait too long and the operating system logo appears, continue to wait until you see the desktop. Then,
turn off your computer and try again.
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.
72 System setup options
System setup options
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