Auto brightness driver#
If the slight changes to brightness while you are Web browsing or viewing any other dynamic content on the screen bother you, then you should look in your graphics driver settings for a feature that is described as 'power saving' and disable it. We have found this behaviour to be tied to power management settings in graphics drivers, which, when disabled, allow the screen to maintain a constant brightness level. The subtle changes that occur when going from a dark background on the screen to a light coloured background have nothing to do with the 'Adaptive brightness' setting, but instead are a result of graphics driver settings. This is because the system brightness adjustment permission is open to third-party apps. The app has adjusted the screen brightness itself. In that scenario, the brightness changes based on the room lighting. If you want the screen brightness to stay the same, open Settings, search for and touch Display & brightness / Brightness, disable Automatic, then adjust the screen brightness to the desired level manually. That setting works using the ambient display sensor on a laptop. This behaviour is a dynamic brightness change that is unrelated to the 'Adaptive brightness' setting in Windows. These changes happen automatically after a couple of seconds, and they can also sometimes manifest as noticeable flickering. Turning off automatic brightness on Ubuntu. If you are not certain, check which desktop environment you are using. The command line method should work for MATE desktop as well. This tutorial is valid for GNOME desktop environment. I’ll show that to you in this quick article. On a dark background, the screen will dim automatically, while on a bright background it will brighten. Turning off automatic brightness on Ubuntu is quite simple. On some laptops, you may have noticed a change in brightness as you go from a screen with a dark background to a screen with a bright background.