Dell Latitude 5540 External Display Connection Manual page 9

● Connect up to three external displays using a USB-C docking station:
With the computer display turned off
NOTE: Ensure that you turn off the computer's internal display before connecting the external displays. For more
information, see Turn off the internal display.
NOTE: Connect and configure at least one external display before disabling the computer internal display.
You can connect external displays using the Thunderbolt 4 (USB-C) ports and HDMI port.
● Connect up to four external displays using a USB-C docking station and a direct HDMI cable:
● Connect two external displays using a docking station and two more external displays using a USB-C to HDMI/DisplayPort/
Thunderbolt 4 adapter:
Connect external displays 9