Cannot adjust the screen brightnes on V15 Nitro Black edition

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vlada-mv
vlada-mv Member Posts: 13 New User

I have Acer Aspire V15 Nitro, and I cannot adjust the screen brightness with the <Fn>+<Left> or <Fn>+<Right> key anymore. Not even in power options. Like it's somehow locked at one brightnes position. Doesn't change when it's on battery regardless of what's being specified in power options...

 

Any ideas? Thanks

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