While using computer, sometimes, you may need to make an app or your game running full screen.
Yet, it may disappoint you for monitor not displaying full screen Windows 11.
Why is my monitor not full screen?

How do I fix my monitor is not showing full screen?
Lets see the solutions!
A thin black bar shows itself on the side of the monitor preventing it from displaying full screen.

The probable reason is that your display parameters have changed during thesystem update or upgrade.
To deal with this situation, follow the below guide.
Sometimes, the drivers may not operate properly especially after OS update or installation.
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Or, you’re able to choose toUninstall devicein the right-click menu.
Then, restart PC and it will automatically reinstall a proper graphics adapter driver.
#3 Reinstall Target Program
What apps cause monitor not using full screen?
#4 Restart Computer
Reboot equipment can be a solution to many computer problems.
Besides, if simple update doesnt work, you might attempt to clean install system.
This may be resulting from disabling or over-ridding full-screen mode.
What is blue screen viewer and why need it?
What are the best blue screen viewer and its alternatives?
How to check blue screen error in event viewer?
Yet, in some cases, the game modes will turn off the full screen capability.
Or, turn off similar optimizer option.
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The new and powerful Windows 11 will bring you many benefits.
At the same time, it will also bring you some unexpected damages such as data loss.
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