I decided to install ElementaryOs alongside with Windows 10 (dual boot), and I have spend all day looking for an answer to my problem and nothing works.
If I open the settings on ElementaryOs it only shows on the side "Wired"/"VPN"/"Proxy" and nothing about Wi-Fi.
In the Windows 10 it works just fine.
I have tried this:
My network card is Realtek. If you need any more info just ask.