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Earlier till ubuntu 14.04 the wireless was working for lenovo thinkpad E420, in ubuntu 14.10 it stopped working. Earlier for ubuntu 12.10 Modified /etc/modprobe.d/blacklist.conf and put an entry near the end blacklist acer_wmi to work the wireless.

Now the LAN wired connection is working fine.

Tried couple of solutions provided in the forum but no luck.

A)

ThinkPad-E420:~$ rfkill list all
0: phy0: Wireless LAN
    Soft blocked: no
    Hard blocked: yes

ThinkPad-E420:~$ rfkill unblock all # Didn't work

B)

ThinkPad-E420:~$ lspci |grep Network
08:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8188CE 802.11b/g/n WiFi Adapter (rev 01)

Installed the driver for realtek RLT8188CE but it didn't work.

Please help to fix the issue.

Seth
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subh7085
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  • Have you tried pressing F9? Hard blocked: yes usually means a hardware switch has disabled the card. I believe F9 is the correct key on this computer.. If it isn't F9 one of the other F keys should have a little wireless symbol on it. Press that one. – Seth Dec 16 '14 at 18:42
  • Yes F9 is for the wireless but my thinkpad laptop original keyboad is not working , i am using Logitech wireless K400 keyboad. In this keyboad there is no option to enable or disable the wireless. – subh7085 Dec 16 '14 at 18:46
  • Then in that case you're pretty stuck, as the wireless card appears to be disabled by that key. You might be able to get a different keyboard to activate it, but I'm not sure. – Seth Dec 16 '14 at 18:48
  • You might try something like this http://askubuntu.com/a/143085/44179 no idea if it will work. – Seth Dec 16 '14 at 18:50
  • Please let us see: lsmod. As it will be lengthy, paste it here and give us the link: http://paste.ubuntu.com Thanks. – chili555 Dec 16 '14 at 21:20
  • Here is the details of the lsmod. http://paste.ubuntu.com/9544786/ – subh7085 Dec 16 '14 at 23:01

0 Answers0