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I cannot use the wireless network from my Sony VAIO E series laptop. My OS is Ubuntu 12.04. Please help.

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Welcome to Ask Ubuntu! It might be useful to edit your question to include more information about your specific wireless hardware, as described in this answer. Thanks! – WarriorIng64 May 8 '12 at 21:58

3 Answers

I had the same problem. My wireless option was grayed out in network manager.

Solution: Blacklist mac80211 and voilĂ !

Ubuntu 12 and sony vaio e 14 series

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This is not invented by me, but credited to answers from others in the web. Thanks to them.

Initial problem:

Bought new Sony Vaio E Series. Installing using CD, Ubuntu 12.04. During installation wireless worked. After reboot NO!. Can not enable wireless.

http://www.dkvermalinux.in/2012/05/ubuntu-1204-lts-wifi-problem-hardware.html?showComment=1337448079507#c2311451036067978243

I found there:

rfkill list all

rfkill unblock all


rfkill list all, works, and show: soft blocking in 'acer-wireless: Wireless LAN, soft blocked: yes'

rfkill unblock all does not manage to change. After another rfkill list all, same status remains.


Then I learned from rfkill list - How to unblock?. Thanks, Leckensteyn.

sudo modprobe -r acer_wmi

It works. Wireless Networks works 'normal' as it should be.

Thanks everybody.

Regards,

Toni Ridwan

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Today I bought Sony Vaio VPCEG35EG because my wife is asking for it. Put in the Ubuntu 12.04 CD to install. At first, wifi was not immediately detected to my surprise, because I never have this kind of problem with Asus and Compaq. Then suddenly wifi can work and installation work fine with over wifi additional files fetched and installed. BUT, after installation, I can not enable wifi. Seems this maybe some problem with Sony and Ubuntu 12.04.

Currently I am upgrading this way, Wifi to Android Tab, than Tab over Bluetooth to Vaio Laptop. Than sudo apt-get update, update manager-d . Now Vaio is upgrading over wifi via bluetooth.

Hopefully after succesful update, wifi can work well.

Good luck.

Toni

See also: http://www.dkvermalinux.in/2012/05/ubuntu-1204-lts-wifi-problem-hardware.html

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There is this solution in the net, but I have not tried it myself. dkvermalinux.in/2012/05/… – Toni Ridwan May 19 '12 at 16:27

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