Some days ago after partial upgrade and update my "Ubuntu 12.04 64bit" wireless disappeared.
I googled and tried several solutions such as:
1.BIOS Reset
2.Re-installing all packages related to wireless via Synaptic.
3.Re-installing bcmwl-kernel-source
.
4.Running this command via terminal sudo rfkill unblock all
.
But none have any effect. Now with rfkill list all
I can see that:
soft block=0
hard block=0
In section Wireless LAN,
so it is ok.
In additional drivers section I see disabled Broadcom STA Wireless driver, and try enable it, but it gives error with long log in file /var/log/jockey.log
Important fact: My hardware is OK as I have tried to use WiFi via LiveCD and it worked. So the problem is in my Ubuntu 12.04.
But what else can I do?
Wireless option has just disappeared from network window.
Fn+F3 doesn't do anything, the wireless light is always turned OFF
.
When I write ifconfig
in terminal, it doesn't show Wlan as it showed before. It gives this code:
$ ifconfig bnep0 Link encap:Ethernet HWaddr 90:00:4e:12:2a:24 inet addr:192.168.44.88 Bcast:192.168.44.255 Mask:255.255.255.0 inet6 addr: fe80::9200:4eff:fe12:2a24/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:23059 errors:0 dropped:0 overruns:0 frame:0 TX packets:20570 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:18550526 (18.5 MB) TX bytes:3535892 (3.5 MB) eth0 Link encap:Ethernet HWaddr 88:ae:1d:63:30:2d UP BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) Interrupt:16 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:12685 errors:0 dropped:0 overruns:0 frame:0 TX packets:12685 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:982631 (982.6 KB) TX bytes:982631 (982.6 KB)
iwconfig
gives this:
bnep0 no wireless extensions.
eth0 no wireless extensions.
lo no wireless extensions.
lspci | grep -i wireless
.