Brightness button not working windows 10

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It should give you an option to adjust the performance settings.

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Most likely go to the taskbar and click the battery icon. The display on a Laptop goes dim to conserve energy. If you want to adjust the brightness on almost any Laptop, you need to change the power settings. Please can you advise me to fix the problem? Please, can you advise me how to fix the problem? I have a problem with the brightness on my HP Pavillion G7 Laptop.