Internet Connection Question?

[CaStRaVeTe:D]

Last Night i played Hl2 Trough STEAM while Downloading some game over Picktorrent.com then later (and still this moment) My internet Connection is working i have a router that shares the speed to 1 laptop and 1 comp. ( im speaking from the laptop) so..every machine in the house gets the Kilobytes but my comp reduces to 1 kilobyte What did i Do WRONG?
EDIT : I Did uplug My HOLE SYSTEM! nothing worked..it´s so slow that it says that ihave no connection but the status Says anithing