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‎09-08-2017 02:24 AM

HP Recommended
Product: Hp probook 450 G4
Operating System: Microsoft Windows 10 (64-bit)

I have bought a new laptop HP probook 450 G4 , Everything works fine, but one thing 
i can change brightness of my screen by going on action center and settings, but cant do that by holding Fn key and f5 or f6 key which is used to increase or decrease the brightness, And all other HotKeys work fine i can incease or decrease volume by pessing Fn + f8 or f9 but not brightness.

Is there any solution to fix that?

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