i downloaded windows service pack two and it cut my internet connection. i put the network key in and it still wont connect. i put in all the ip's /gateways manually because it wouldnt work and its showing i have good signal strength and im sending out siganal yet im not recieving any packets. when i tried to repair the connection it says "this problem occurred because the network did not assign a network address to the computer" how do i fix this!!