If this solution does not work, take the help of the next one. These errors can be fixed by restarting the system. Sometimes, due to some minor error, you may face other related problems. When you face the Screen Brightness not working or any other problem on Windows 10 PC, the first thing you should do is restart the system. The Fn keys of laptops are a little tricky and you may be pressing them wrong. Solution 1: Start With the BasicsĪre you pressing the correct keys on your system to change the brightness? We know that this sounds ridiculous, but ignorance is bliss. All the methods and fixes listed below are tried and tested for your ease. If your Windows 10, 8, 7 PC brightness control slider is not working or posing other problems and you want quick fixes for it, the coming sections can help you. How to Fix the Brightness Slider Not Working on Windows PC? Undergo these fixes one by one, until you get rid of the problem. Though I suspect the CurrentControlSet is all you will need.Īs always, careful when modifying the registry.To help you fix the brightness control not working on Windows 7, 8, 10 PCs, we are listing some solutions in this write-up. I wound up changing them all to f008 prior to a reboot. There are other "control sets" other than the CurrentControlSet. I finally found a solution that worked for me. This was required the first time I got this working so I made sure those settings were changed back after the update reverted them.Īfter some more intense googling. I should also note that I've also disabled adaptive brightness in display options and also my power options plan. I attempted to uninstall, and reinstall all drivers from Samsung over again, in various orders, running the Win10 Brightness Control Patch each time provided by Samsung Update, but in each case, never yielded results. I have no idea how I was able to resolve it last time. I recently updated W10 to anniversary edition and ran into this issue yet again. Also Intel HD 4000 and Radeon 8700M GPUs. My system is a ATIV Book 8, model NP880Z5E-X01UB.
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