When playing games in Windows 11/10, your monitor screen may dim due to some reason. This is a frustrating problem. What if you run into this issue? Read this post on the MiniTool website and you can find some methods that are proved to be helpful.

Screen Dims When Playing Games

Windows 10/Windows 11 screen dimming is a common problem that you may run into when playing games, especially on Full Screen. This can make it difficult to play games and even it is impossible to play in some cases. On forums, some users have reported that screen dimming automatically lowers the brightness for games.

The possible reasons for this issue are auto-dimming settings (enabled by default), power-saving settings, outdated drivers, damaged GPU, and more. Fortunately, you can easily fix Windows 10/Windows 11 full screen dimming. Now, go to the following part to find some useful solutions.

Solutions to Windows 10/Windows 11 Screen Dimming

Disable Adaptive Brightness

Power saver settings may affect the screen brightness. If the screen dims when playing games, you need to disable adaptive brightness by following the steps below.

Step 1: Run Control Panel in Windows 10/11.

Step 2: Click Power Options > Change plan settings > Change advanced power settings.

change plan settings

Step 3: Expand Display, click Enable Adaptive brightness, and toggle off the options for both On battery and Plugged in.

Step 4: Click OK to save the change.

Edit Monitor Settings

If the monitor settings are not correct, perhaps the screen dims when playing games on Full Screen. To fix your issue, you should make sure your monitor is configured correctly – turn off your monitor’s auto-dimming feature. Based on different monitors, what you should do varies. Just go to search for and follow the method on the Internet.

Disable Night Light and Game Bar

Sometimes your monitor dims when playing games if Windows 10/11 Night Light or Game Bar interferes with the games. To fix the screen dimming problem, disabling them is a good method.

Step 1: Click the Start button and choose Settings.

Step 2: Under the System tab, click Display and then toggle off the option for Night light.

disable night light Windows 11

Step 3: To disable Game Bar, go to Gaming > Xbox Game Bar to disable it. Also, disable Game Mode under the Gaming section.

Update/Rollback GPU Driver

Outdated, damaged, or incompatible graphics card driver may lead to Windows 10/Windows 11 screen dimming in Full Screen. According to users, rolling back, updating, or reinstalling the driver is useful to fix this issue.

Step 1: Right-click the Start button and choose Device Manager.

Step 2: Expand Display adapters, right-click the driver and choose Properties.

graphics card driver properties

Step 3: Under the Driver tab, click Roll Back Driver if your screen dims when playing games after the driver update. Or you can click Update Driver if the driver is outdated.

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Disable Dynamic Back Light Control in BIOS

This is another solution to fix the screen dimming problem. If you cannot fix it after trying the methods above, try this.

Step 1: Press a key to enter BIOS. 

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Step 2: Expand Video, choose Disabled under Dynamic Backlight Control.

The steps are different based on different computers. You can go to search for details online. 

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Final Words

Screen dims Windows 11/10? Take it easy and try these methods above. In addition to these solutions, you can try to perform a clean boot, set a custom screen resolution and refresh rate, etc. if your monitor screen dims when playing games. Hope this post can help you.

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