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I finally installed 12.04 on my Acer Aspire One D257 today but the Wi-Fi keeps dropping. I turned it on, typed the password but the "cannot connect" message kept popping up. As I'm a novice of Ubuntu, can anyone help?

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I had this same problem and all I did was update the driver for my wifi. Go to system setting then additional drivers, it should search for the driver needed and you should install/update it. Then go to the wifi settings in the top right corner and set up your wifi details and password in the same as you would using windows. I hope this helps, I am new to Ubuntu too, so good luck luck! :)

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