ok i have a hd dvr i run a line from my cable modem to a 5 port ethernet dock an run 1 line to the pc an i have a conection also run a 50 foot line to the dvr no connection so i trouble shot it my self an ran the line from my modem straight to the hddvr an still no connection detected so the great customer service from direct tv says i need to connect via a wireless router hmmmm no brainer here if i can get a connection threw a direct line why would a router do it for me so please help me out here must be missing a trick or something to connect