my internet isnt working upstairs and i was wondering why im on the one downstairs using wireless connect. it shows full connection with comcast and my IP address starts with a 169 but my cpu dont want to release it so i can use a new one and where it says local area connection on the two cpu icons on the lower right corner of ur cpu it keeps poppin up the caution simble between the two cpu icons and im wondering what is causing that to happen.. need help.. thank u