Cannot find wireless network anymore after reboot last night
Linux - NetworkingThis forum is for any issue related to networks or networking.
Routing, network cards, OSI, etc. Anything is fair game.
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Do you have other wireless devices that you have used to test your router/access point? If not and if the computer is portable, test it at a location with public wireless.
It's important to isolate the source of the problem before you tear your hair out with software. True, it's unlikely that your router/access point has turned turtle, but, if it has, no amount of software troubleshooting on the computer can fix the problem.
I've had situations where a wireless connection held until it was broken, as by a reboot, and then the device could not reconnect. The problem was solved by rebooting the router. The router kept existing connections, but would not accept new ones.
If you have a laptop, it's possible that there's a button anywhere which enables and disables wifi on the laptop. Pressing this button by accident is one of the most common causes for unexplainable wifi-problems.