Brightness Buttons are not working for HP 15-p249tx Notebook

Hi Friends,     I have installed Windows 8.1 and  install most of the drivers fro HP reccomended link. Even after that I am not able to adjust my brightness  . Please suggest .

Help me. Hour Pavilion my computer always high temperatures, very hot because the screen is bright at 100%anhtuan3a wrote:
Hi Friends,     I have installed Windows 8.1 and  install most of the drivers fro HP reccomended link. Even after that I am not able to adjust my brightness  . Please suggest .anhtuan3a wrote:
Hi Friends,     I have installed Windows 8.1 and  install most of the drivers fro HP reccomended link. Even after that I am not able to adjust my brightness  . Please suggest .

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