At the risk of asking a stupid question: Have you plugged your TiBook into the ethernet jack and cable that the LC 575 or 6100 are using? Are you using DHCP? On Saturday, March 15, 2003, at 04:19 PM, Dick Grable wrote: > My old LC 575 and a 6100 work fine but my TiBook 500 and my > son-in-laws Win98 won't work unless plugged into the router.