brightness hp 15-r269

[KIKI__98]

Hey guys I have a problem with my brightness, it doesn't work. When I click on brightness buttons , they doesn't change anything. Maybe I should install a drivers, if I do can you find it for me because I searched all over the net but without and success.

 

[webworkings]

It may well be the drivers. Did you try the HP website? http/support.hp.com