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Run the built-in Power Troubleshooter and see it helps you. Read: No Brightness slider in Windows 11. If it does not help, you may re-enable it. Now disable it and see if it works for you. In the right pane, if you see a scheduled task called BrightnessReset, double-click on it > Properties > Triggers tab > Edit. Navigate to Microsoft > Windows > Display > Brightness. In the left pane, you will see Task Scheduler Library. More on this at this Computer screen brightness flickering post. You will get this setting in your Dell or Vaio Control Center. If your laptop used Intel processors, disable the Intel Power Saving Technology. 4] Disable the Intel Power Saving Technology Next, expand Display and then expand Enable Adaptive Brightness. Now click Change advanced power settings option to open the Power Options dialog. Open your active power plan and select Change plan settings option to open the Edit Plan Settings window. 3] Disable Adaptive Brightnessĭisable Adaptive Brightness and see. Open Control Panel > All Control Panel Items > Power Options > Edit Plan Settings and restore the default power plan settings by clicking on Restore default settings for this plan. 2] Restore default settings for the Power Plan 1] Update your Graphics driverįirst of all, visit the manufacturer’s website and update your video and graphics drivers, for your model. Disable the Intel Power Saving Technology.Restore default settings for the Power Plan.Please go through the entire list and then decide which of the suggestions you would like to try and decide the order you want to try them. Windows 11/10 Brightness Control not working

If Windows 11/10 Brightness slider is not working or changes automatically on your computer system, then this post will help you troubleshoot & fix the problem. Some Windows 11/10 users have reported that their screen brightness changes automatically or does not work properly.