You will need a LIVE internet hook up for the router or you could use a wireless access point. You would still need a live signal,to go ethernet to the router or access point. You may have some problems hooking up a router from someone else's hook up, motels etc.
Ok, so i am on vacation connecting to the resorts hot spot, my windows vista hp laptop is connected wirelessly to the hotspot. i have a wireless router with me that i would like to use to share the connection to another laptop and my ps3. how do i set it up so i can have the vista laptop share its connection to the linksys router (wrt54gs) that is plugged into my lan card?