
Follow the steps below in order to perform a clean install of the latest NVIDIA driver. Reinstalling the driver won’t do you any harm and it’s recommended that you always have the latest drivers installed. This is quite a straightforward way of resolving the problem and it’s definitely something you should try immediately. Solution 2: Update Your Graphics Card Driver
Confirm any dialogues or prompts which may ask you to confirm your choice and check to see if the brightness slider is still missing on Windows 10!. Click the Scan for hardware changes option and it will check for devices without drivers and reinstall them automatically. You can now go back to Device Manager and click Action from the top menu. If it is, click the Uninstall button in the same tab and confirm your choice in the next dialog box. If it’s already enabled, choose the Properties option from the context menu instead and navigate to the Driver Check to see if the Driver Provider is anyone but Microsoft (e.g. In order to properly perform this method, expand the Monitors section in Device Manager by clicking the arrow next to it, right-click on the only device you find there and choose the Enable device option if available. msc” in the box and click OK in order to run it. You can also tap the Windows Key + R key combo in order to bring up the Run box. Click the Start menu button, type “ Device Manager” on your keyboard, and select the tool from the list of available results by clicking the first entry in the list. Enabling this device should resolve the problem and return the brightness slider back to where it belongs! The key is to enable the device you have under the Monitors section in Device Manager.
This simple method was suggested by a user on a forum and many other users were able to benefit from this method even though it appears to be totally unrelated to the problem.
Solution 1: Enable a Device in Device Manager
Brightness settings removed from Notification Center – Something or someone may have removed this option from the Notification Center and you simply need to turn it back on in Settings. Old graphics drivers – Having old and outdated graphics card drivers can also provide instability when it comes to brightness settings and we strongly recommend you install the latest drivers as soon as possible. Monitor driver disabled in Device Manager – If this driver is disabled, Windows switches to older versions which don’t provide the capability to change the brightness in that manner.