How do I activate my extra monitors? The systems see them but tells me to activate them.

Thomas LaBarr 20 Reputation points
2026-01-14T21:37:57.8766667+00:00

How do I activate my extra monitors? The systems see them but tells me to activate them. I had two working but when I plugged three in it didn't work and two stopped working.

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Answer accepted by question author
Ivan B 122.3K Reputation points Independent Advisor
2026-01-14T22:13:44.59+00:00

Hi,

What's your GPU?

What video input are you using on the third monitor?

What's the resolution of all three monitors?

Try testing and see if it maintains the third screen in duplicate mode.

Thanks

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  1. AI answer

    2026-01-14T21:38:06.3166667+00:00

    To activate your extra monitors, you may need to ensure that your system supports multiple displays and that the monitors are properly connected. Here are some steps you can take:

    1. Check Compatibility: Make sure your graphics card and system support multiple monitors. Some systems may have limitations on how many monitors can be connected simultaneously.
    2. Connect Monitors Properly: Ensure that all monitors are connected correctly to the appropriate ports. If you're using adapters (like USB-C to DVI), ensure they are compatible and functioning.
    3. Display Settings: Go to your display settings (right-click on the desktop and select "Display settings") and check if the monitors are detected. You can try to click on "Detect" to see if the system recognizes them.
    4. Activate Monitors: If the monitors are detected but not activated, select the monitor in the display settings and choose the desired display mode (e.g., Extend, Duplicate). You can also press Windows + P to quickly switch between display modes.
    5. Driver Updates: Ensure that your graphics drivers are up to date. Sometimes outdated drivers can cause issues with multiple monitor setups.
    6. Reboot: If you've made changes, reboot your system to see if that resolves the issue.

    If you are still having trouble, it might be due to limitations of your hardware or the way the monitors are connected. For instance, some systems may only support one external monitor through certain types of connections.


    References:

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