Right now my network is set up with a cable modem and a wired D-Link router. I have two computers connected to the router (this one running XP and my laptop running Vista). When everything is set up as it should be, the desktop says that the local area connection is connected and all that but I'm not actually connected to the internet. On my laptop, when I go to the network and sharing center, it says that my access is Local only. For some reason, my modem has a USB port and there was a cable connecting it to this computer. In my Network Connections, I have Local Area Connection 4 and Local Area Connection 5. I'm pretty sure 4 corresponds to the ethernet connection or something and 5 is the USB one that goes directly into my modem. When I disable 4 with only 5 connected, the internet works on this computer. I tried connecting my laptop and this computer directly to the modem with an ethernet cable, but that didn't work. So it seems the only way I can get the internet working for a computer, is if I connect it directly to the modem using that USB cable (though I can't do it with my laptop because it doesn't have the proper drivers).
If there's anything that's unclear, please tell me so I can clarify. It's very important that I get this working ASAP!
Also, when I tried connecting my 360 to my router, I could not get offline and when I did the connection test, it failed at the DNS step. When I tried to repair the connection on my laptop, I remember getting a message about that one time but I don't remember exactly what it was.
Thank you if you can help me, GeeksToGo hasn't failed me yet!