I can't change the brightness on my pc?

I can figure out how to make my screen brighter the only thing that works is my monitor button help?I can%26039;t change the brightness on my pc?
you can only use the monitor button to adjust your screen brighter.I can%26039;t change the brightness on my pc?
Its easily done from your monitor setting... Thro' os also you can do that... Go to desktop properties and settings and go to advance tab and there you can find various options to adjust your screen beightness resolution like that..

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automatic stability control