Adjusting screen brightness can also be useful to save batteries (in the case of laptop use). In Windows 10, you can adjust screen brightness settings manually or let Windows do it automatically, depending on whether the computer is plugged in or unplugged. can't adjust screen brightness. Thread starter tahacakir95. Start date Jan 21, 2018. Did you turn off the option for Adaptive Brightness? There is no such selection in display options cuz myy computer doesn't have the sensors.
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