Question
 

For some reason when my brothers play xbox live is lags the hell out of my dod there using a hardline off my router not sure if this is a stupid question so feel free to own me if it is...but if anyone has any clue lmk thanks nigs.:D:D

I think you answered your own question, xbox live is causing the lag.

what router is it?

better get some grounding strips

fooling around with your router settings might fix the issue. Contact your router manufacture

its a belkin yea obviously i kno its the xbox yea i gota go into my settings thanks guys

drivers