[ubuntu] Wireless connection resets

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http://ubuntuforums.org – I've been having daily issues with my wireless connection, running Ubuntu 11.10. My wife's laptop and my daughter's netbook both connect with no problem and they can stream Netflix with rarely any issues - both running Windows 7. I have to re-enter my router's password pretty often when I'm surfing the web. I can play Urban Terror for almost exactly 1:50 at a time, then the connection interrupts for about ten seconds. Fortunately it doesn't dump me from the game. Here's the terminal output from ifconfig, iwconfig, and iwlist scanning. Any ideas? ifconfig eth0 Link encap:Ethernet HWad (Hardware)