I just installed the Windows 7 upgrade. My printer would not print so I called Dell. I was on the phone with them for 3 hours trying to get it to print. They eventually told me that my wireless router, (Netgear WNR2000) had a wrong IP address of 168. something. They told me I had to change it to a 192. number. They further told me to change to WEP. I went to the wireless site and typed in 192.168.1.1 and logged in. I changed it to WEP but then the internet would not work. I do not know what to do. Can someone please help me?