![]() What can I do if my Dell XPS brightness settings stop working? ![]() Now that we know why this happens, let’s fix the problem using the solutions below. The brightness will work if you press Fn + F11, which will toggle the backlighting on and off. This is because the brightness control button is not connected to the screen, but to the keyboard backlighting. Some Dell XPS models have a brightness control that doesn’t work. You can also manually adjust the screen brightness using keyboard shortcuts or with the help of software settings. Many people complain about the Dell XPS brightness slider not working, but there are other ways to adjust your screen’s display. ![]()
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