Hello Everyone!

I am a owner of a Samsung Series 9 laptop (NP900X4D).
Since a few weeks de scroll on my touchpad quit working... I have read hours on the internet but none of the problem solvers worked for me. You can see on the photo below that i can't change the settings of my touchpad. Maybe somebody can tell me a solution or something where i can find the settings of my thouchpad?

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I hope somebody can help me!