If you need to change the display resolution setting on your Windows 10 PC, it's not hard once you know how. Whether you want to try a bigger resolution on your display that defaults to a lower option or need to change it back to the recommended size
Here, we'll show how to change your display setting
Click the Start button.
Select the Settings icon.
Click Advanced display settings
Click on the menu under Resolution
Select the option you want. We strongly recommend going with the one that has (Recommended) next to it.
If your display goes blank - due to selecting a resolution your monitor cannot display, do not worry, just wait 20 seconds and it will automatically reset to the previous setting and you can try again