Generally speaking, you can easily change the screen resolution of your Windows 10 computer if you want. If you find that you cannot change the resolution in Windows 10, you can check out the solutions below to fix the problem.
Check and change screen resolution on Windows 10
1. You can right-click on the black space on your desktop and select "Display Settings." Click the drop-down icon under "Resolution" to select the desired screen resolution for your Windows 10 computer.
2. You can press Windows+I to open Windows Settings. Click Ease of Access, then click Displays in the left column. Then click "Additional display settings" in the right window. Select your preferred screen resolution under "Resolution."
However, if you are unable to change the screen resolution in your Windows 10 computer and the option is grayed out, you can try the following 5 solutions to fix Windows 10 screen resolution issues.
5 Ways to Fix Can’t Change Screen Resolution in Windows 10
1. Update or reinstall computer display driver
If you are facing “Windows 10 won’t let me change resolution” issue, the reason could be incompatible or outdated Windows display drivers. Check how to update or reinstall monitor drivers on Windows 10.
1. Press Windows+X and select "Device Manager" to open it.
2. In the "Device Manager" window, you can expand "Display Adapters".
3. Right-click the display adapter and select "Update Driver" to update the display adapter driver. Or select "Uninstall Device" to uninstall the driver, then restart the computer to reinstall the driver.