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I have just installed Ubuntu 12.10 on my PC Lenovo B570e. I have WiFi connection in my room. It continuously connects and disconnects. What should I do?

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Please provide results of sudo lshw -c network, rfkill list all and lsmod –  Web-E Jan 10 '13 at 12:19
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If WMM is activated in your router, disable it.

When connecting to the console of your router with your browser you will find in the WLAN settings a conmboxbox to UNCHECK WMM.

WMM is Wi-Fi multi-media, a setting in modern WLAN routers you can switch on or off. It usually only causes trouble, at least in my experience, when switched on. (I had a similar problem and this solved it.)

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what command is used to switch off wmm? –  Wafeeq Jan 16 '13 at 14:29
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