Dell Latitude 5420 Owner's Manual page 227

Boot Allows you to
Sequence change the order in
which the computer
attempts to find an
operating system.
Boot List Allows you to
Option change the boot list
option.
Date/Time Allows you to
change the date and
time.
System Configuration
Integrated Allows you to
NIC configure the
integrated network
controller. The
options are:
Default Setting:
Enabled w/PXE
Diskette Drive
Internal HDD
USB Storage
Device
CD/DVD/CD-
RW Drive
Onboard NIC
Cardbus NIC
Legacy
UEFI
Disabled
Enabled
Enabled w/PXE
Enabled w/
ImageServer