why does my screen resolution keep changing

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This feature is called adaptive brightness and it may be responsible for the screen dimming or brighnting. If the light changes, or the sensors thinks it’s changed, it will adjust the brightness of the screen to suit the level of light. Laptops often come with sensors that will check the ambient light in a room. Hardware problems are likely going to require that you take the laptop in for repairs but software problems can be solved by trying the fixes listed below. If your laptop’s screen keeps dimming or brightening, it may point to a software problem or a hardware problem. Regardless of how you change the brightness of the screen, it will remain set at a level until you choose to change it again. All three will change the same setting and are essentially different ways to doing it. Depending on how you have your work station set up, and how much light is in the room, a user is free to choose how bright the screen is, and to change it whenever they need to.īrightness can be changed from a keyboard, buttons on a monitor, and from settings provided by the operating system that is installed on a system. The brightness of a screen will span a certain level ranging from very dim to exceptionally bright. All screens have a backlight which determines how bright or dim they are.

Why does my screen resolution keep changing