[SOLVED] Unable to Update

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http://ubuntuforums.org – Hi! I am unable to update Ubuntu. I am using Ubuntu 12.04 and have never been able to update it. Update manager says, 'Failed to download repository information Check your internet connection.' I get the following in details: Code: W:Failed to fetch http://archive.ubuntu.com/ubuntu/dists/precise/Release.gpg  Unable to connect to , W:Failed to fetch http://extras.ubuntu.com/ubuntu/dists/precise/Release.gpg  Unable to connect to , W:Failed to fetch http://dl.google.com/linux/talkplugin/deb/dists/stable/Release.gpg  Unable to connect to 1 (Hardware)