[ubuntu] Wireless problems

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http://ubuntuforums.org – Hey Guys I've only migrated from windows today so i have no idea what i'm doing at all but when i first booted up Ubuntu 12.04 everything worked perfectly. However as soon as i installed the updates i haven't been able to keep a wireless connection. It was working fine before the installations and it'll work for maybe 30 seconds as soon as i turn it on but then it fails and spends the remainder of my session trying to re-establish itself. What i'd like to do is either try and get the wireless to work perfectly or if that's to hard maybe i could just uninstall the updates... Help with either (Hardware)