[ubuntu] Ubuntu constantly looking for internet connection after 12.04 upgrade

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http://ubuntuforums.org – I updated to 12.04 a few days ago and ever since then the connection manager has constantly been looking for an internet connection and saying the network is disconnected. Thing is, my modem has been sending out a steady signal and I've had internet connectivity the whole time. When I click on the connection icon in the top right bar the drop down menu pops down but it won't let me open anything on the menu. I'm sure I just need to do some tweaks in the connection manager but without being able to open it I'm stuck. Does anyone have any ideas what's going on with my crazy connection manager? I (Hardware)