Dell Precision 5750 External Display Connection Guide Regulatory Model: P92F Regulatory Type: P92F001 September 2020 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. © 2020 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 3 (USB-C) ports available on your Precision 5750. 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 Quadro RTX3000 discrete graphics card installed, you must enable Direct Graphics Controller Direct Output Mode in the computer's BIOS. NOTE: 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 computer's BIOS.
. Click the ellipsis (...) in the top-right corner of your computer's display, then click Disable.
2 Connect external displays You can connect up to four external displays to the Thunderbolt (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 Quadro RTX3000 discrete graphics card installed,if the Direct Graphics Controller Direct Output Mode is enabled.
● Connect an external display using a direct USB-C or Thunderbolt cable: ● Connect an external display using a USB-C to Thunderbolt/HDMI/DisplayPort adapter: 8 Connect external displays
● Connect up to two external displays using a USB-C docking station: With the internal display turned off NOTE: Ensure that you turn off the internal LCD before connecting the external displays. For more information, see Turn off the internal display . You can connect up to three external displays directly to Thunderbolt 3 (USB-C) ports, or using a docking station.
● Connect up to three external displays using a USB-C docking station: Discrete graphics Connecting external displays to Precision 5750 with discrete graphics If you have a discrete graphics card installed in your computer, such as the NVIDIA Quadro RTX3000, 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 3 adapter: Connect external displays 11
3 Troubleshooting 8K displays flickering Question When I connect two 8K displays to both Thunderbolt ports on the left side or the right side of the computer, they flicker when run at a display rate of 60Hz. Cause This may be because of interlacing or switching as the Thunderbolt controller has send only part of the data, where the other one has to send the second part of the data synchronization may be a problem..
4 Getting help Contacting Dell Prerequisites NOTE: If you do not have an active Internet connection, you can find contact information on your purchase invoice, packing slip, bill, or Dell product catalog. About this task Dell provides several online and telephone-based support and service options. Availability varies by country and product, and some services may not be available in your area. To contact Dell for sales, technical support, or customer service issues: Steps 1. Go to Dell.com/support. 2.
