Dell Precision 5770 Connection Manual page 9

● Connect up to three external displays using direct USB-C or Thunderbolt cables:
● Connect up to three external displays using a USB-C docking station:
With the internal 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
You can connect up to four external displays directly to Thunderbolt 4 (USB-C) ports.
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Connect external displays 9