Second monitor appears blurry on Windows 11

You can connect multiple displays to your Windows 11/10 computer. In most cases, all the external displays have different screen resolutions. Selecting the right resolution for all displays is crucial to avoid display issues. If the second monitor appears blurry when connected to your Windows 11/10 computer, the solutions provided in this article will help resolve the issue.

Second monitor appears blurry on Windows 11/10

If the second monitor appears blurry after connecting it to your Windows 11/10 computer, use these fixes.

Check your monitor settings
Try another cable
Update your monitor firmware
Try a different display resolution and scaling
Change the refresh rate
Roll back or reinstall the GPU driver

All these fixes are explained below in detail:

1] Check your monitor settings

Before you start troubleshooting, check your monitor settings. Refer to your monitor’s user manual and verify that you have configured the display settings correctly.

2] Try another cable

The issue may be associated with the cable you use to connect your display. Use another cable and check if the issue persists.

3] Update your monitor firmware

An outdated monitor firmware can also cause such a problem. Update your monitor firmware.

The process to update a monitor’s firmware is different for different monitors. Hence, refer to the user manual of your monitor to know the correct way to install a firmware update.

4] Try a different display resolution and scaling

Change the display resolution and scaling to see which setting resolves the issue. Follow these steps:

Open Windows 11 Settings.
Go to System > Display.
Select the Recommended Display Resolution and Scaling for your monitor.

If the recommended settings for your display resolution and scaling do not work, try other resolution and scaling options.

5] Change the refresh rate

Change your monitor refresh rate and see which one fixes the issue. Follow these steps:

Open Windows 11 Settings.
Go to System > Display > Advanced Display.
Select a different refresh rate in the drop-down.

6] Roll back or reinstall the GPU driver

If the problem still persists, roll back or reinstall the graphics card driver. First, roll it back to the previous version. Follow these steps:

Open the Device Manager.
Expand the Display adapters branch.
Right-click on the graphics card driver and select Properties.
Go to the Driver tab and see if the Roll Back Driver button is clickable. If yes, click on it and follow the on-screen instructions to install another earlier version of your graphics card driver.

If the Roll Back Driver button is greyed out, you can try other ways to install the earlier version of your graphics card driver.

If the rollback driver does not work, reinstall it. Visit the official website of your computer manufacturer and download the latest version of the graphics card driver. Now, install DDU and remove your graphics card driver. After removing the graphics card driver, run the installer file to perform the clean installation of the GPU driver.

Read: Adjust your Monitor for better screen resolution in Windows

How do I fix the resolution on my second monitor in Windows 11?

To fix the resolution on your second monitor in Windows 11, open Windows 11 Settings and go to System > Display. Select the recommended resolution and scaling settings for your second monitor. If this does not work, select another resolution.

Read: Screen Resolution Monitor problems after moving to a large, higher one

Why is my monitor blurry all of a sudden?

There can be many reasons why your monitor is blurry all of a sudden, such as incorrect display resolution, loose or damaged cable, corrupted display drivers, etc. Additionally, outdated monitor firmware can also cause display issues. You should also check the settings of your monitor.