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Dell Precision 7770 Connection Manual
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Dell Precision 7770 Connection Manual

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Precision 7770
External Display Connection Guide
Regulatory Model: P115F
Regulatory Type: P115F001
July 2022
Rev. A00

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Summary of Contents for Dell Precision 7770

  • Page 1 Precision 7770 External Display Connection Guide Regulatory Model: P115F Regulatory Type: P115F001 July 2022 Rev. A00...
  • Page 2 A WARNING indicates a potential for property damage, personal injury, or death. © 2022 Dell Inc. or its subsidiaries. All rights reserved. Dell Technologies, Dell, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other trademarks may be trademarks of their respective owners.

  • Page 3: Table Of Contents

    UMA Graphics mode..............................5 Hybrid Graphics mode..............................5 Hybrid Graphics mode with Direct Output......................5 Discrete Graphics Mode...............................5 Turn off the internal display..............................6 Chapter 2: Connect displays......................7 Supported Display................................7 Chapter 3: Troubleshooting......................9 Chapter 4: Getting help and contacting Dell.................10 Contents...

  • Page 4: Chapter 1: Before You Begin

    ● The HDMI 2.1 port and MFDC (MFDP) Type-C port on the WD19DCS docking station cannot support dual monitors simultaneously For more information on the graphics card available on your computer, run Dell SupportAssist on your computer, or scan your hardware at www.dell.com/support.

  • Page 5: Uma Graphics Mode

    3. Select Switchable Graphics. 4. Select Enable Switchable Graphics. 5. Save changes and exit the computer's BIOS. For more information about accessing and configuring the BIOS, see the computer's Service Manual at www.dell.com/support. Table 2. Hybrid Graphics mode Graphic card type...

  • Page 6: Turn Off The Internal Display

    3. Select Switchable Graphics. 4. Uncheck Enable Switchable Graphics. 5. Save changes and exit the computer's BIOS For more information about accessing and configuring the BIOS, see the computer's Service Manual at www.dell.com/support. Table 4. Discrete Graphics mode Graphic card type...

  • Page 7: Chapter 2: Connect Displays

    Connect displays Depending on the connectors available on your external display, you can connect the displays to the Thunderbolt 4 (USB Type-C) ports, HDMI port, Mini DisplayPort on your computer using: ● Thunderbolt 4 cables, adapters or docking stations ● USB Type-C cables. adapters or docking stations ●...
  • Page 8 *When connecting via docking station, additional external displays can be connected under Hybrid mode (with Internal Display Off). NOTE: Discrete mode and UMA modes are disabled when additional external displays are connected via docking station. Table 6. Supported display via docking station under Hybrid mode Hybrid mode TBT Dock Type-C TBT + DP + DP + HDMI/MFDP: *4k@60 Hz +...

  • Page 9: Chapter 3: Troubleshooting

    Workaround Ensure BIOS setting is special graphics mode or discrete 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.

  • Page 10: Chapter 4: Getting Help And Contacting Dell

    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 8. Self-help resources Self-help resources Resource location Information about Dell products and services www.dell.com My Dell app...

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