Then choose Enable device to continue.Īfter that, try to check whether the issue brightness slider not working is solved. Step 4: After that, enter Device Manager window again and expand the Display adapters. Then your screen may turn off, but it will switch back on after a couple of seconds. Step 2: Expand Display adapter, right-click your display adapter and choose Disable device to continue. Step 1: Press Windows key and R key together to open Run dialog and input the devmgmt.msc and hit Enter to continue. So in order to solve the problem, you can try restarting the display adapter. Sometimes, the display adapter on your computer can break down so as to lead to the issue brightness not working Windows 10. When the process is finished, try to check whether the issue Windows 10 brightness not working is solved. Step 3: Go to Windows Update section, and click Check for Update to continue. Step 2: In the pop-up window, choose Update & Security. Step 1: Press Windows key and I key together to open Settings. To upgrade Windows 10, we will show you the detailed steps. If the brightness slider is not working result from the operating system, especially after a major feature upgrade, upgrading Windows 10 is a good way to solve the problem. Update Windows 10Īs for solving the Windows 10 brightness not working problem, you can update Windows 10 firstly. Now, we will show you how to fix the Windows 10 brightness not working problem. Then restart the system and let it auto-reinstall and it will shown up.Tip: To avoid data loss during the fixing process, try MiniTool software to keep data safe. You could open Control Panel and uninstall both the Display Driver and the Monitor Driver. Open the Settings app, go to System > Display, Scroll down to find it to change the Brightness Level.
How to fix the brightness slider missing in Windows 10
* Right click on it to enable the device and then everything works fine. You should find that most of items under Monitors are likely disabled * Double click on the Monitors optioon to expand the items. Or you can right click on Start menu and choose it from there. * From your desktop, click on the Start menu and type Device Manager into the search bar, and select it from results. How to fix Missing brightness Icon in the action center on Windows 10 However, I noticed that the related Icon in the action center disappeared and the slider was also missing after my Surface Pro 3 upgrading to Windows 10 Pro. That become unbelievably while you can also long press or right click on the sun icon in the Actions Center to make changes quickly. The brightness slider is useful for adjusting the level in the charms menu of Windows 8.1/8, and has been replaced by a toggle to swap between 25%, 50%, 75%, and 100% in brightness settings of power options in Windows 10.
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