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Ubuntu 12.04 suddenly cannot connect to WPA2/WPA Personal protected connection. Windows 7 can

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http://askubuntu.com – I have a laptop with Windows 7 and Ubuntu 12.04. I have a Cisco E1200 and when I set it up, it created 2 SSIDs. Let's name them: MyConnection (WPA/WPA2 personal), and MyConnection-Guest (no authentication, guest password entered via web browser). I had no problem connecting to MyConnection before, either in Windows 7 and Ubuntu. But now, I can't access MyConnection on Ubuntu. It just says "connecting..." then disconnects after a while. But I'm able to access the internet (on Ubuntu) when I connect to MyConnection-Guest. MAC filtering is off (even if it's on its MAC address is in the white li (HowTos)

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Submitted by Songlist on 03/13/2013 – Made popular on 03/13/2013

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I installed Windows 7 as a guest in KVM running on Ubuntu 12. Windows seems to be running fine with the exception that it can't access any external domains or IPs.

The guest can ping the host's IP and the host can ping the guest's IP, but that's it.

I used the default NAT setup, which others have reported should work. What can I do to fix this?

{lang: 'en-GB'}

By default ubuntu 12.04 comes with guest account.You can disable this account using the following procedure.Guest account is a paswordless account which allow users to get access to Ubuntu machine (...)Read the rest of Ubuntu Tip:How to disable guest account in ubuntu 12.04(Precise) (58 words)

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