This post helps to get 1920x1080 resolution on 1366x766 screen in Windows 11/10. You can set 1920x1080 display resolution using two ways.

Step 7: Under Game Resolution, Change the game resolution. After you have change the game resolution, try to check if it fixed resolution issue you encounter on the screen of your Steam Deck.

Here’s how to adjust your video output on the Xbox Series X, hopefully allowing you to experience 1440p (if your screen allows for it.) From Home, navigate to Settings Then go to General > TV ...

If the Screen resolution setting is greyed out in Display page in Settings of Windows 11/10 here's what you can do to resolve the issue on your computer.