I have Linksys router 54GS, I connected me desktop via wired from router (DSL modem-Router-desktop). I have 1 more desktop+laptop connect wireless to the network. All work fine till yesterday, my laptop can not connect to internet anymore- IP address conflict with another system on network- VISTA OS- I checked the IP address/ indeed it is different. I tried to reconnect, but not thing better. System is reconize my network and connect to it but LOCAL only. Can you help?