cs go ping help

[Huqzh]

so i have some problem with cs go ping and by that i mean that i have 5-10 ms and for 10 sec them my oing goes up to 1000 ms and i dont know why i have looked everywhere and havent found anything thats working for me i need help. btw i recently installed my new graphics card gtx 780 and before i installed it i was not lagging is it cuz i installed my new graphics vard or not i dont think so but yeah im very glad if u help me out thansk for ur time

[jem.graham]

How long ago did you install your GPU?

Who is your ISP?

Try restarting your modem and see if that solves anything, usually stops the lag for me

[Lotus]

Do you have any roommates? Are you using wi-fi or a wired connection? Are you doing anything in the background like downloading updates, etc?