Plutonium

Hello, whenever i tried to join a server it would always say things like server disconnected etc, but yestersday in the morning i could join any server i wanted and this is happening in any call of duty while i can play in solo mode. my wifi i currently working so i dont see what's the problem

that's a pc yeah and idk i downloaded it

Dss0
intel celeron j4125
nvidia gt 1030
8 gb ram ddr4
%appdata%\local\t6\profiles and then i changed the config but it wont work (i dont remember if the location was local but ok)

ok so. i know where the config location is, and beacuse i have a super potato pc i use config files to make my experience a lot better. However in Bo2 whenever i do it i load the game and then im lagging even more. I don't think i have such bad specs but i don't know maybe staff could help me.