I'm running Ubuntu 14.04 on my laptop. The last time I used it (several weeks ago) the wireless was working fine. I turned it on today and no networks will show up, with the network menu saying "No network devices available."
I've disabled and enabled networking, and restarted the computer several times now. I've also tried pressing the key combination to turn the wireless adapter off and back on (FN+F2), but that didn't seem to do anything.
Most other posts I've seen while searching for solutions are cases of people having problems when they initially install the OS and not having drivers. It worked before for me so I know I have working drivers installed. I haven't messed with drivers or updated the system, or done anything with it at all since I last used it.
I've seen people on other posts request running
ifconfig for more information, results of those below:
no wireless extensions.
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:65536 Metric:1 RX packets:161 errors:0 dropped:0 overruns:0 frame:0 TX packets:161 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:11409 (11.4 KB) TX bytes:11409 (11.4 KB)
Requested output of
lspci -knn | grep Net -A2
02:00.0 Network controller : Qualcomm Atheros AR9485 Wireless Network Adapter [168c:0032] (rev 01) Subsystem: Dell Device [1028:0208]
Requested output of
dpkg -l | grep linux-image
ii linux-image-3.13.0-32-generic 3.13.0-32.57 amd64 Linux kernel image for version 3.13.0 on 64 bit x86 SMP ii linux-image-3.13.0-34-generic 3.13.0-34.60 amd64 Linux kernel image for version 3.13.0 on 64 bit x86 SMP ii linux-image-3.13.0-59-generic 3.13.0-59.98 amd64 Linux kernel image for version 3.13.0 on 64 bit x86 SMP ii linux-image-extra-3.13.0-32-generic 3.13.0-32.57 amd64 Linux kernel extra modules for version 3.13.0 on 64 bit x86 SMP ii linux-image-extra-3.13.0-34-generic 3.13.0-34.60 amd64 Linux kernel extra modules for version 3.13.0 on 64 bit x86 SMP ii linux-image-generic 22.214.171.124.40 amd64 Generic Linux kernel image