Method 1: Update Display Adapter Driversġ. Make sure to create a restore point just in case something goes wrong. Method 7: Delete hidden devices under PnP Monitorsįix Can’t Adjust Screen Brightness in Windows 10.Method 5: Update Generic PnP Monitor Driver.Method 3: Adjust screen brightness using Power Options.Method 2: Adjust the brightness from Graphics Settings.Method 1: Update Display Adapter Drivers.Fix Can’t Adjust Screen Brightness in Windows 10.So without wasting any more time let’s see how to actually fix can’t adjust screen brightness in Windows 10 with the help of below-listed steps. This issue can also be caused because of the corrupt or incompatible display driver and thankfully this issue can be easily resolved. This is quite a common issue which a lot of Windows 10 users are facing right now. But the issue can be a number of different things for example corrupted drivers, incorrect battery configuration, ATI bug, etc.
And you won’t be able to adjust the brightness again until you will change the battery management settings or charge your laptop.
If you have enabled automatic battery management then if the battery starts to become low the brightness will be automatically changed to dim settings. Why I am unable to adjust screen brightness on Windows 10? Now if you try to adjust brightness using the brightness keys on the keyword then it would display the brightness level going up and down, but nothing would actually happen. If you try to adjust the brightness using Windows Settings apps, you won’t be able to change anything, as dragging the brightness level up or down will do nothing. Fix Can’t adjust screen brightness in Windows 10: If you have recently upgraded to Windows 10 then you may be facing this annoying issue where you can’t adjust the screen brightness, in short, screen brightness settings stopped working.
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