a motorola router, comcast high speed internet, no im not sharing my connection with any other computer, yes i tryed puttin in 6346 in the external AND internal boxes and limewire still wouldnt open, we reboted the system & got a new network chip [but i dont think we needed it cuz after we put it in i found a cord unpluged]. & im using my home computer. i hope that is all the information you need any help at all would be SOO gratful. you have no idea!