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EDIT : i tired using my Laptop as Hotspot after that these problems appeared.

ifconfig 

OUTPUT:

wlan0     Link encap:Ethernet  HWaddr xx:xx:xx:xx 
          inet addr:10.10.0.1  Bcast:10.10.0.255  Mask:255.255.255.0
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:33 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:0 (0.0 B)  TX bytes:7298 (7.2 KB)

I saw this when I ran ..

ratan@lenovo:~$ rfkill list all 
0: ideapad_wlan: Wireless LAN
    Soft blocked: no
Hard blocked: no
1: ideapad_bluetooth: Bluetooth
Soft blocked: yes
Hard blocked: no
2: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
3: hci0: Bluetooth
Soft blocked: yes
Hard blocked: no

But my wireless is still disabled, i don't have any keyboard shortcut to disable/enable it wireless.

it even tried these .. but no luck

sudo /etc/init.d/networking restart

sudo service network-manager start


 dmesg | grep -e ath -e wlan

OUTPUT :

    [  314.214978] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
    [  485.553814] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
    [  485.633642] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
    [  626.002830] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
    [  629.806884] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
    [  642.784001] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
    [ 1265.207904] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
    [ 1351.296086] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
    [ 1360.155428] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
    [ 1362.570365] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
    [ 1362.591639] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
    [ 1366.739571] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
    [ 1520.306470] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready

PS: when my PC boots it looks for network configuration but it fails after searching for 60 secs.

share|improve this question
    
what is the output of lspci | grep network? –  Dan Johansen Feb 19 at 5:20
    
In my case, sudo ifconfig wlan0 up works perfect. Give it a try. If not, give us output. –  Danatela Feb 19 at 5:24
    
tried sudo ifconfig wlan0 up , didn't work. –  RATS Feb 19 at 6:32
    
@DanJohansen lspci | grep network gave nothing .. something wrong ? –  RATS Feb 19 at 6:33
    
@Danatela sudo ifconfig wlan0 up gave no output –  RATS Feb 19 at 6:47

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