I have 4 computers connected by cables via a D-Linkdsl g-604t router modem and have been getting very low download speeds 0.3 to.06 meg. With only my main computer turned on Igot 1.1 meg, with the other 3 computer cables disconnected from the router I get 4.0 meg. Then3.04, 2.82, as I reconnect the turned off computers, then back to just mine connected back to3.3 then 3.09, 2.55, 2.193 as I go back to 4 computers connecfed to the router, but still only one turned on. All this over a time of 22 minutes, can some one tell me why