wlan0 gone after doing download

[lilzz]

I did aptitude install xxxx

after that wlan0 is gone.

ifconfig only shows l0 not wlan0.

then I try ifup wlan0 but it says wlan0 already configured.

what cause this wlan0 mysteriously gone after trying download something.

Btw, I already did sudo apt-get remove ifplugd which someone said might interfere with wifi but still problem exists.

[MrEngman]

Try this instead

Code: Select all

sudo ifup --force wlan0

and if that doesn't work then this

Code: Select all

sudo ifdown wlan0
sudo ifup --force wlan0

What is the wifi you're using? Post the output of command lsusb and it might help if you say what "xxxx" was.

One other thing that might help. I had a similar problem but a long time ago. I managed to fix it by removing the wifi dongle and rebooting the Pi then shutting down the Pi and re-inserting the dongle and restarting the Pi. No idea why it worked but it did. Maybe some screwed up config file got reset when it was rebooted without the dongle.


MrEngman