I normally have to change brightness levels because looking at the same intense white begins to hurts my eyes. Even at no brightness the whites and light colors on my screen hurt my eyes as they are too intense. I can adjust the brightness on my laptop but the screen display does not look right. My ASUS laptop display irritates my eyes? We have also updated a Windows 10 procedure. Please refer to the steps in the article to rectify that issue Restore Lost Brightness Control app in ASUS Laptops After Updating, follow the steps and you will be able to do so.