fn button ssues how to fix

Hi,

Can you please give use more information about the issue you're having with your laptop specially with your fn button. Also please give use some information about your laptop model.

Here are some support documents about fn key issues.
http://www.tomsguide.com/answers/id-1913222/key-reversed.html
https://www.google.com.ph/url?sa=t&rct=j&q=&esrc=s&source=web&cd=6&cad=rja&uact=8&ved=0ahUKEwjK6squ3eDKAhUHOJQKHc-tAM8QFghCMAU&url=http%3A%2F%2Fh30434.www3.hp.com%2Ft5%2FNotebook-Video-Display-and-Touch%2FFN-Function-keys-are-not-working%2Ftd-p%2F1224129&usg=AFQjCNFGvbw9FKBtnSVt-cYOIslagWXHjg&sig2=ON20nkoydFqyQzIPECDs-g&bvm=bv.113370389,d.dGo