Screen resolution determines how texts and images appear on your screen. For sharp texts and clear images, it’s always advisable to use the recommended screen resolution.
After connecting one or more external monitors to your Windows 10 computer, you might want to change the screen resolution of the connected external monitor for a better experience.
Changing the screen resolution of an external monitor or second monitor is as simple as changing the screen resolution of the internal display.
In the early versions of Windows 10, the procedure to change the external monitor screen resolution was not straight-forward. However, in recent versions, changing the external monitor screen resolution has been made very easy.
Change external display resolution in Windows 10
If you have connected two or more monitors to your Windows 10 computer, here is how to change the screen resolution of external monitors in Windows 10.
Step 1: Right-click on an empty spot on the desktop and then click the Display settings option to open the Display page of the Settings app.
Step 2: Here, in the Rearrange your displays section, you can see the number of monitors connected to your computer. Click on the second or third display whose resolution you want to change.
Step 3: After selecting your second or third-party, scroll down the page to see the Display resolution section. Select a resolution from the drop-down box.
Step 4: Click on the Keep changes button when you get the confirmation or warning dialog to apply the new resolution. This will change the screen resolution of only the selected monitor or screen. Other screens/monitors won’t be affected by this change.
We recommend you use the recommended screen resolution for sharp text and clear images. To set a custom resolution, refer to our how to set a custom screen resolution in Windows 10 article.
How to change external monitor brightness in Windows 10 guide might also interest you.