NetworkManager not showing or connecting to wi-fi networks

[Yashwant Goswami]

Check hardware switch whether enabled
On 14 Aug 2014 18:31, "Adam Funk" <a24061 at ducksburg.com> wrote:

> Hi,
>
> My son's laptop, which worked fine yesterday (& was left on but
> suspended overnight, as usual) has a weird problem today.  In the
> lightdm screen & when logged in, the NetworkManager applet doesn't
> list any wi-fi connections (there should be at least 1, sometimes 2,
> where it's sitting --- wi-fi is working fine on other computers in the
> same room), and when we try the "Connect to Hidden Wi-Fi Network"
> option & select the one in this house, the applet lines go up & down
> for a minute, then it fails to connect.
>
> It's hard to get diagnostic information off that machine since it
> isn't networked, but if there's something specific I should look for,
> I can try.
>
> I used lshw -C network and lsmod to check that the right driver is
> loaded, them tried rmmod & modprobe to reload it: same problem.  I
> tried sudo ifconfig, ifdown -a, ifup -a, and several reboots: no
> success.
>
> Any ideas?
>
> Thanks,
> Adam
>
>
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