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I'm sure the passphrase is correct 100% but Wifi keeps asking for authentication and never connects. What can I do? I've tried removing the networks, resetting the router, changing the password, rebooting Ubuntu, disabling IPv6.

Also, it worked until earlier today and then stopped. All my other devices log in fine.

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closed as off-topic by Braiam, BuZZ-dEE, belacqua, souravc, Radu Rădeanu Mar 21 '14 at 17:36

This question appears to be off-topic. The users who voted to close gave this specific reason:

  • "This describes a problem that can't be reproduced that seemingly went away on its own or was only relevant to a very specific period of time. It's off-topic as it's unlikely to help future readers." – Braiam, BuZZ-dEE, belacqua, souravc, Radu Rădeanu
If this question can be reworded to fit the rules in the help center, please edit the question.

How about assigning a static IP? Did you try that? – cgon Nov 2 '12 at 13:52
Still stuck at authentication – casraf Nov 2 '12 at 14:13
up vote 4 down vote accepted

Figured the problem. My new Wireless keyboard/mouse were conflicting with the frequency of the hotspot. I changed the channel and it's fixed!

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