Envy 15t brightness control

After updating to window 10, I noticed that the brightness control function keys doesn’t work.

Manually updating the Monitor from PnP-Monitor (Standard) to Generic PnP monitor worked.

source: http://h30434.www3.hp.com/t5/Notebook-Video-Display-and-Touch/Brightness-Control-Hotkeys-are-not-working-after-windows-10/td-p/5178024