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Windows 8.1 Brightness won't adjust?

So I booted up my laptop today and noticed that I suddenly cannot adjust the brightness. When I do it using the fn keys, the slider moves up or down by one level but the screen brightness stays the same. I tried doing it via the settings menu but even though the slider increases/decreases, the brightness remains the same. I searched online and noticed that some other people have had the same problem, however I have not been able to find a definitive solution. Any help would be appreciated.

1 Answer

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  • nikkai
    Lv 7
    6 years ago

    The only thing I can think of it to check to see if your system is using the graphics from the graphics card and not the basic screen, you could be adjusting the graphics cards settings but the system may be using the basic screen and that option has not effect on the basic screen settings

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