[ubuntu] Internet Connection Problem

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http://ubuntuforums.org – Hi all, I have a problem that I do not know how to investigate more. I am currently running ubuntu 12.04 since last July with no network problems at all, both wireless and LAN. About a week or more ago, my internet connection started to stop and resume randomly. Sometimes the connection also became really slow. I thought it was a problem with my provider but none of my other devices connected to the same network had this issue. Then about three days ago, it starting acting differently. Now when it stops, it stays that way. When I disable networking in the network manager and enable it ag (Hardware)