I upgraded my desktop's cpu, motherboard & memory the other day, but didn't do a clean install of Windows 7. It caused me some problems, but I have most of the issues resolved. However, there is one issue I can't resolve & it is regarding my network/internet connection. I have my Billion modem plugged into a D-Link Wireless Router, whihc is then plugged into 1) My desktop (Windows 7); 2) Work Laptop (XP SP3) & 3) Canon network printer. All was working fine before the upgrade. New mobo is an Asus P8P67 LE, with Realtek on board network adaptor. Now, I can't access the internet or the home network through the desktop. The cable is plugged in, but there is no acknowledgement of the PC being connected to anything. The lights around the LAN port on the mobo don't go on when a cable is connected, the light on the router doesn't go on when the cable is connected & Windows 7 says there is no connection. I tried plugging the modem directly into the PC, & the internet connection works, so I know the LAN port is working on the new mobo. I've also tried all combinations of cables & ports between the pc, the laptop & the router. How can I fix this? As far as I'm aware, the software for the Router is up to date & so is the software for the motherboard. Is there a compatability issue between router & ethernet adaptor, or is the router broken?