Michael Moore <stuporglue <at> gmail.com> writes: > > > This is an old thread, but I wanted to post an update in case anyone else comes across a similar problem. > I don't think it was interference or a heavy netowork load anymore. I think sometimes either wifi drivers or the hardware itself get in a funny state. If I remove the wifi modules and then modprobe them again WiFi starts working great. > > > Whenever I have network problems at the UMN now I sudo su to root, then run: > > rmmod iwldvm iwlwifi; sleep 1; modprobe iwlwifi > > As soon as I reconnect I can use the internet as expected. > > > I think it has something to do with suspend. When I close my laptop it suspends. When it wakes up, there's about a 75% chance that I'll have to do the rmmod/modprobe thing to get connected again. > > > -- > Michael Moore Hi Michael, thanks for these instructions, they did the trick for me. I'm on Ubuntu 12.04.3 BTW. In my case I had to: sudo rmmod wl sleep 1 sudo modprobe wl and it worked instantaneously. As you said, it has something to do with the "suspend" state. Thanks again, Dario