HP TouchSmart Sleekbook ENVY 4: unable to set the brightness of the screen

I could not change the brightness of my screen for some time now. According to me, that it started after I updated to Windows 8.1. The two buttons on the keyboard and the option on the touch screen do not work. Thank you very much for your suggestions!

Hello

Download and reinstall the Intel HD graphics driver on this link.

http://ftp.HP.com/pub/SoftPaq/sp63501-64000/sp63641.exe

When reinstalling, restart the laptop.

Kind regards

DP - K

Tags: Notebooks

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