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[ubuntu] wireless won't authenticate [12.04][ralink3090]

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linux-howto

http://ubuntuforums.org – I moved from 10.04 to 12.04 by clean install. Previously I've had to use additional drivers, but 12.04 seems to recognise my wireless card no problem. The card can see my home network. Wired networking is okay. No matter how I configure the wifi network, 12.04 will not connect; keeps looping back to 'Authentication required by wireless network'. All Windows and Android and iOS devices still connect fine. Tried: Setting wifi to WEP, also open, usually WPA2 AES Every concievable setting in the network manager I put off upgrading until a LTS came out to avoid this sort of thing. Makes (Hardware)