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Zond2

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2 Posts

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December 7th, 2024 04:26

m18 R2, 4090, 64GB, dock, issue with multiple displays

Alienware m18 R2

Alienware m18 R2

When the lid  is open and plugged in, the laptop screen is screen 1 and it is duplicated on the first attached monitor (2) and the display is extended on to the 2nd monitor (3). When I close the lid, the mouse pointer will not cross between the two monitors. When I open the it, it will cross again. I've played with the display setting but nothing seems to work. I have the monitors connected to the two HDMI ports on a Kensington Thunderbolt 4 dock. Any insights?

Zond2

1 Rookie

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2 Posts

December 7th, 2024 04:42

additional info

I have the monitors connected to the two HDMI ports on a Kensington Thunderbolt 4 dock

Americancookie

1 Rookie

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45 Posts

December 7th, 2024 16:21

Hi,

The issue you're experiencing could be due to how the system interacts with the Kensington Thunderbolt 4 dock and its display configuration. Here are some steps you can try:

  1. Adjust Display Settings:

    • Go to Settings > System > Display and ensure the monitors are arranged correctly in the display layout.
    • Confirm that the screens are extended rather than duplicated unless intended.

  2. Update Drivers and Firmware:

    • Ensure your GPU drivers (NVIDIA RTX 4090) are up to date.
    • Check for firmware updates for the Kensington dock from their official website.

  3. Test Without Dock:

    • Try connecting the monitors directly to your laptop (if ports are available) to rule out any dock-related issues.

  4. Modify Lid Settings:

    • Go to Control Panel > Power Options > Choose what closing the lid does and set it to Do nothing when plugged in.

Note:
Dell support for 3rd party docking stations is limited, so for persistent issues with the dock, it may be helpful to reach out to Kensington's support team.

Let us know how it goes!

Please update me on your findings. If the problem persists, feel free to share additional details, and we’ll be happy to assist further.

I am a Dell employee; however, my responses are my own and may not be official troubleshooting steps.

You can reach Dell support from the bottom right section of the page "Get Help Now"


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