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I installed Ubuntu on a partition of my MacBook Pro. Wireless connections work fine when I switch to OSX, but the wireless networks are not even detected when I boot Ubuntu. I installed Wicd as a new network manager, but I'm still having the same problem. Ubuntu works on a wired connection though.

I have searched the web for a solution... similar questions have been asked but I have not been able to find a way to fix this problem.

Any help would be greatly appreciated.

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Did you try hooking your computer up to Ethernet and checking additional drivers or jockey? Just search for jockey in the dash and it will come up. –  Aaron Oct 12 '12 at 0:53
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2 Answers 2

When I have a problem (of any kind) I fist visit the comprehensive Ubuntu community wiki !

Here is a very good Wireless troubleshooting guide.

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Check if it is blocked by hardware of software:

sudo rfkill list all

Sample session:

sk@ubuntu:~$ sudo rfkill list all
0: wifi: Wireless LAN
Soft blocked: yes
Hard blocked: no
1: phy0: Wireless LAN
Soft blocked: yes
Hard blocked: no
sk@ubuntu:~$ sudo rfkill unblock all
sk@ubuntu:~$ sudo rfkill list all
0: wifi: Wireless LAN
Soft blocked: no
Hard blocked: no
1: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
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