Dell Latitude 5421 Service Manual page 110

Table 9. System setup options—Display menu
Display
Display Brightness
Brightness on battery power
Brightness on AC power
Touchscreen
Full Screen Logo
Privacy Screen
Table 10. System setup options—Connection menu
Connection
Network Controller Configuration
Integrated NIC
Wireless Device Enable
WWAN/GPS
WWAN Bus Mode
WLAN
Bluetooth
Contactless smartcard/NFC
Enable UEFI Network Stack
Wireless Radio Control
Control WLAN radio
Control WWAN radio
HTTPs Boot Feature
HTTPs Boot
110 System setup
Enable to set screen brightness when the computer is running on battery
power.
Enable to set screen brightness when the computer is running on AC power.
Enable or disable touchscreen
By default, the option is enabled.
Enable or disable full screen logo.
By default, the option is not enabled.
Set the operating mode of Privacy Screen.
By default, the Enabled option is enabled.
Controls the on-board LAN controller.
By default, the Enabled with PXE option is enabled.
Enable or disable the internal WWAN/GPS device
By default, the option enabled.
Set the interface type of the Wireless Wan (WWAN) card.
By default, the Bus Mode PCIe option is enabled.
Enable or disable the internal WLAN device
By default, the option enabled.
Enable or disable the internal Bluetooth device
By default, the option enabled.
Enable or disable the internal Contactless smartcard/NFC device
By default, the option enabled.
Enable or disable UEFI Network Stack and controls the on-board LAN
Controller.
By default, the Auto Enabled option are enabled.
Sense the connection of the computer to a wired network and subsequently
disable the selected wireless radios (WLAN).
By default, the option is disabled.
Sense the connection of the computer to a wired network and subsequently
disable the selected wireless radios (WWAN).
By default, the option is disabled.
Enable or disable the HTTPs Boot feature.
By default, the HTTPs Boot option is enabled.