How can I get the extend option to work again for an external monitor?

  • Thread starter Thread starter Nikolas Thunberg
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Nikolas Thunberg

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I have an external monitor. I tried to change the refresh rate, so it would run at its highest capability, but when I did this it stopped working properly. I cannot use the extend screen option when I use it. I can display the screen on the built-in monitor or the external monitor and the duplicate screen function works, but extend does not. The second screen just goes black. I tried to put the refresh rate back to where it was before, but it did not change anything. I tried to reset the monitor and restart the PC, but nothing I have tried has worked. When I try to go into advanced settings it

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