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I've been looking here and elsewhere for a long time to fix my wireless issues. I upgraded to Lubuntu 14.04 and my wireless stopped working. I tried a lot of things, and then it mysteriously started working again. I later installed security upgrades and it stopped working again.

The accepted answere at this link Ask Ubuntu pointed to a script to run. The output of that script is at http://pastebin.com/B5cLYdkx.

Please help

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dsa42
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  • What makes you think it's not working? The output you linked to shows you're connected to a network. Please [edit] your question and describe the symptoms. – terdon May 10 '14 at 19:15
  • Are you really running 12.04? The log you point to says 14.04. Looks like wifi is up but there is some authentication problem: wlan0: deauthenticating from * by local choice (reason=3) – bain May 10 '14 at 21:18
  • Sorry, yes, 14.04. I fixed the original post.

    I am absolutely sure that the password is correct. In fact, the wireless was working fine up until the upgrade from 13.10 to 14.04

     – dsa42 May 13 '14 at 02:49
  • Also, you're correct. It has suddenly started working again. This is extremely annoying. – dsa42 May 13 '14 at 13:10

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I had the same problem. I could find a solution via google. All I did was to install the mainline-kernel. Now it is working without any problems. I downloaded the following files:

linux-headers-3.14.1-031401-generic_3.14.1-031401.201404141220_amd64.deb linux-headers-3.14.1-031401_3.14.1-031401.201404141220_all.deb linux-image-3.14.1-031401-generic_3.14.1-031401.201404141220_amd64.deb

from this site: http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.14.1-trusty/

Then i used this commands:

sudo dpkg -i *.deb

After a restart i had a working wlan like in 13.10

Warren Hill
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