![]() Click the “Change plan settings” link next to whichever plan you are currently using and then click “Change advanced power settings”.Go into “Control Panel” search and select “Power Options”.In the list of devices, locate Monitors and double click on it.Click on Start and search for Device Manager. Open it.Sometimes Generic PnP Monitor had somehow got disabled and was causing the issue. Restart windows and check This will fix “can’t adjust brightness ” bug. You Can check And install the latest updates fromĪdd a header to begin generating the table of contents If the problem started after install windows 10 version 21H2, then make sure you have installed the latest Cumulative Update. Brightness Control not working Windows 10 If you are also facing issues in adjusting the brightness of your laptop after installing the Windows 10 operating system, Here are some effective solutions you must apply. Again sometimes incorrect power configuration, third-party applications, and Windows update bug cause “ windows 10 brightness not working“. Why is my brightness not working? This issue might be occurring because of Outdated, incompatible or corrupted drivers Graphics/Display drivers installed on your computer. The brightness control bar grayed out, didn’t allow to change it Or can’t adjust screen brightness by holding the Fn key and pressing f5 or f6 to lower or raise it. Turn off the option “ Lower screen brightness while using battery saver“.įrom now on, your computer will not automatically decrease the screen brightness while in battery saver.The laptop’s brightness setting has been screwed after Windows 10 Update? While trying to adjust it (Screen Brightness) in the brightness setting, the 0% brightness and 100% brightness yield the same amount of light (laptop brightness won’t change)? You are not alone, Several users report, Brightness Control not working on Windows 10. Under the “Battery” section, Click the small arrow beside “ Battery saver” to expand it. ![]() With the System category selected on the left, click on Power & battery on the right. Press the Windows key + I together to launch the Settings app. ![]() Part 2: Prevent Windows 11 from Decreasing Brightness While in Battery Saver For Dell Latitude 3520, enter BIOS and go to the Display tab, then disable the Ecopower option. Uncheck the “ Change brightness automatically when lighting changes” box to prevent Windows 11 from automatically adjusting the screen brightness based on the light around you, or uncheck the “ Help improve battery by optimizing the content shown and brightness” box if you don’t want your screen to change brightness based on content that’s displayed on your screen.Ĭan’t find such settings? You may need to disable adaptive brightness in BIOS Setup. With the System category selected on the left, click on Display on the right.Ĭlick the small arrow beside the “ Brightness” slider to expand it. Press the Windows key + I together to open the Settings app. Windows 11 laptop changes brightness depending on the screen content? Screen begins to dim and brighten on its own based on the light of surrounding? To fix such problems, you need to turn off adaptive brightness and change Battery Saver setting in Windows 11. ![]()
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