Step 1: Open Power OptionsĬlick on the Start button, then search for 'Power Options' and launch the corresponding Control panel section. However, what if you're not concerned about battery life and want the brightness as high as possible? Furthermore, the ambient light sensor is not perfect, and at times your display brightness can be in flux as described above. It seems the brightness is set to automatic, unable to change the brightness setting to manual. There is a brightness setting on the watch to adjust the brightness manually. Thus, adaptive brightness is useful in conserving battery life since the display is a pretty power-hungry component. The brightness setting doesnt work and seems to be fixed to automatic. The adaptive brightness feature taps into the ambient light sensors to automatically adjust your display to match surrounding lighting conditions. Most displays, especially on laptops, utilize ambient light sensors to detect surrounding levels of light. In modern versions of Windows, Microsoft introduced a feature called adaptive brightness. First of all, no, your laptop is not haunted, but more importantly, we're going to go into why this is happening and how to fix it. If this scenario sounds familiar, then I have some good news for you. Now you're confused and worried that your laptop is potentially haunted.

Angered by this, you get up and move your laptop, only to suddenly notice that the display does in fact get a lot brighter. You're smashing your keyboard to increase your screen brightness, yet it won't go any higher, but you know you've been able to set it higher before.

Brightness setting not working