jader knows
Oh, Jader. As a fellow cable subscriber I know that the inflated download speed is from powerboost (or whatever Comcast calls their version). You have a 6/2 connection, you cheater.
can you even see you card in the device manager?is it a "card" or is it "on board"? if its a card try moving it to a different PCI slot.or buy a new card for like $20