Precision 5770 External Display Connection Guide Regulatory Model: P92F Regulatory Type: P92F003 March 2022 Rev.
Notes, cautions, and warnings NOTE: A NOTE indicates important information that helps you make better use of your product. CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. WARNING: A WARNING indicates a potential for property damage, personal injury, or death. © 2022 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries.
Contents Chapter 1: Before you begin.......................................................................................................... 4 Check the graphics options on your computer............................................................................................................ 4 Modes of connection..........................................................................................................................................................
1 Before you begin You can connect up to four 4K external displays or two 5K and above displays using the Thunderbolt 4 (USB-C) ports available on your Precision 5770. Before you begin, ensure that you: ● Check the graphics options on your computer ● Check the ports available on your external displays and decide on the mode of connection Check the graphics options on your computer The number of external displays supported depends on the type of graphics card available on your computer.
Enable Direct Graphics Controller Direct Output mode You can connect four external displays or two 8K displays on computers with the NVIDIA RTX A3000 or NVIDIA RTX A2000 discrete graphics card installed. To do so, you must enable Direct Graphics Controller Direct Output Mode in the computer's BIOS. When enabled, the graphics signals are sent to the external display using the discrete graphics card instead of integrated graphics. By default, this mode is disabled in the BIOS.
2 Connect external displays You can connect up to four external displays to the Thunderbolt 4 (USB-C) ports on your computer. The number of displays supported depends on the following: ● Whether you're using integrated graphics or discrete graphics. ● If the internal display is enabled or disabled. ● On computers with NVIDIA RTX A3000 or NVIDIA RTX A2000 discrete graphics card installed, if the Direct Graphics Controller Direct Output Mode is enabled.
Integrated graphics Connecting external displays to Precision 5770 with integrated graphics NOTE: When connecting a display indirectly using a adapter or docking station, it is recommended that you connect the display to the docking station first, then connect the docking station to the Thunderbolt 4 (USB-C) port on your computer. NOTE: The devices connected to the ports on the left side of the computer have priority over the ports on the right.
● Connect an external display using a USB-C to Thunderbolt/HDMI/DisplayPort adapter: ● Connect up to two external displays using a USB-C docking station: 8 Connect external displays
● 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.
● Connect four external displays using direct USB-C or Thunderbolt cables: Discrete graphics Connecting external displays to Precision 5770 with discrete graphics If you have a discrete graphics card installed in your computer, such as the NVIDIA RTX A3000, you can connect up to four external displays or two 8K displays. NOTE: Direct Graphics Controller Direct Output Mode, needs to be enabled to connect four external displays.
● 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 11
3 Troubleshooting 8K displays cannot select 8K@60Hz Question When I connect an 8K display to the computer using a Thunderbolt or type-C cable directly, the display output only runs 8K@30Hz. Cause This is due to a hardware limitation (HDMI 8k@60Hz requires VESA DSC 1.2a PCON IC support which is not supported on the system). Workaround The system is work as designed.
4 Getting help and contacting Dell Self-help resources You can get information and help on Dell products and services using these self-help resources: Table 3. Self-help resources Self-help resources Resource location Information about Dell products and services www.dell.com My Dell app Tips Contact Support In Windows search, type Contact Support, and press Enter. Online help for operating system www.dell.com/support/windows www.dell.
