Can't Change Brightness on Windows 10 - Microsoft Community

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this afternoon laptop froze , after managed turn off on again, noticed couple of problems. first, can't change brightness on computer. i've checked display settings , tried change them, nothing happens. anywhere gives option change them (like clicking on battery icon @ bottom of screen) grayed out. second problem until today when click on power button, gave me 3 options: sleep, shut down, , restart. see shut down , restart. did setting change , if so, how change back? if not, how else fix this?

update: updated , installed drivers , can "change" brightness now, still doesn't change. added hibernate menu brought power button, can't find options "sleep."

second update: installed driver , problem fixed.



Windows / Windows 10 / Windows settings / PC



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