Check the graphics options on your computer......................4 Modes of connection................................4 Turn off the internal display..............................5 Chapter 2: Connect external displays.................... 6 Integrated graphics................................6 Discrete graphics................................. 9 Chapter 3: Troubleshooting......................11 Chapter 4: Getting help and contacting Dell.................12 Contents...
You can connect up to four 4K external displays or two 5K and above displays using the Thunderbolt 4 (USB Type-C) ports available on your Precision 5490. You can connect the display without the use of USB-C or Thunderbolt 4 adapters or docking stations.
Turn off the internal display There can be instances where you want to turn off the computer internal display to connect more external displays. You can turn off the display of your computer by using the Intel Graphics Command Center. To turn off the display: 1.
NVIDIA RTX 3000 Ada Generation Laptop GPU Integrated graphics Connecting external displays to Precision 5490 with integrated graphics NOTE: When connecting a display indirectly using an adapter or a docking station (Thunderbolt or USB Type-C), it is recommended that you first connect the display to the adapter or docking station. Then, connect the adapter or docking station to the Thunderbolt 4 (USB Type-C) port on your computer.
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With the internal display turned on You can connect external displays directly to Thunderbolt 4 (USB Type-C) ports, or up to two external displays using a docking station (Thunderbolt or USB Type-C). ● Connect an external display using a direct USB Type-C or Thunderbolt cable. Figure 1.
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Figure 3. Connecting up to three external displays using direct USB Type-C or Thunderbolt cables ● Connect up to three external displays using a USB Type-C docking station. Figure 4. Connecting up to three external displays using direct USB Type-C or Thunderbolt cables With the internal display turned off NOTE: Ensure that you turn off the computer's internal display before connecting the external displays.
Figure 5. Connecting four external displays using direct USB Type-C or Thunderbolt cables Discrete graphics Connecting external displays to Precision 5490 with discrete graphics If you have a discrete graphics card that is installed in your computer, you can connect up to four external displays or two 8K displays.
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Figure 6. Connecting two external displays using a docking station and two more external displays using a USB Type-C to HDMI/DisplayPort/Thunderbolt 4 adapter Connect external displays...
Workaround Ensure BIOS setting is special graphics mode. For more information about accessing and configuring the BIOS, see the computer's Service Manual at www.dell.com/support. Question When I connect an 8K display using the USB Type-C to DisplayPort adapter, the display resolution can reach to 8K, but refresh rate cannot reach to 60Hz.
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...
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