either you have not set it up correctly or the unit is faulty. When I got my netgear router I set it up on my no. 2 pc [the one I use to test bits from other pcs on] this was done with an ethernet cable. I then set up the wireless with no. 1 pc. Since then no. 2 has been taken apart with no connection to the router. No. 1 can connect wirelessly although the router is not physically connected to anything other than the adsl filter. Hope this helps.