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I have install Ubuntu 12.04 on my machine and I have problem with wireless. On system settings > web, I can not switch it on.

I have tried:

sudo apt-get remove bcmwl-kernel-source
sudo apt-get install bcmwl-kernel-source

but it does't work for me. I have had Ubuntu 11.04 before and there wifi works fine.

Any help would be appreciated.

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Try the 3 solutions here: computerandyou.net/2011/05/… It works perfectly with Ubuntu+Dell combination –  abhishek Oct 6 '12 at 11:53

1 Answer 1

up vote 2 down vote accepted

try the solution taken from this post

If the wireless is stuck as if disabled by hardware (it happens in some laptops when you use the wireless button a lot) and you cannot physically enable it, try in Terminal:

sudo rfkill unblock all && list all
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It doesn't change anything. –  Mateusz Rogulski Oct 6 '12 at 11:31
    
There are no output but after this command I can swich on wifi by Fn Key combination, Thanks! –  Mateusz Rogulski Oct 6 '12 at 11:43

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