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I was trying to connect to wifi on ubuntu 12.4 when I accidentally typed in the wrong wifi key. Now I cannot seem to find how to change it. I've already tried going to the edit connections. The connection I am trying to connect to is not there.

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up vote 1 down vote accepted

Go to Edit Connections... -> Wireless -> Add, now add your wifi network details like SSID and WiFi key from Wireless Security tab.

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