i need help i cant select servers !!!!

so after i got my new pc i reinstalled my steam games and when i went to play gmod i tried to select a multiplayer server butit is in a really small rectangle and i cant really see anything about the server please help i triend reinstalling the game but that didint work !

so where the server listing should be its in a smaller rectangle and sorta over layed over everything else.

if you wud like to see a picture if that wud help email me: benjaminleitch576@gmail.com

please help !!!