Dell Latitude 5420 Owner's Manual page 232

Drives Allows you to
configure the SATA
drives on board. The
options are:
Default Setting: All
drives are enabled.
Video
LCD Allows you
Brightness to set the
display
brightness
depending
up on the
power
source (On
Battery
and On AC).
NOTE: The Video setting will only be visible when a video card is installed
into the system.
Security
Admin Allows you to set,
Password change, or delete
the administrator
(admin) password.
SATA-0
SATA-1
SATA-4
SATA-5
NOTE: You
must set the
admin
password
before you
set the
system or
hard drive
password.