In Game Stretched and zoomed in

Every time i launch the game it is zoomed in too much and stretched but i cant fix it. i have tried with tech support and they didn't help much so i was hoping to get some help here. It has been happening since pulsefire cait came out.

https://riotgames.zendesk.com/attachments/token/axWDoBhXwT58gKOc1uczvg8Wv/?name=Untitled.png