I work with a Lenovo B580 and Ubuntu 16.04. My device doesn't find W-Lan anymore (used to up until 2 weeks ago). I use this wlan device and drivers. Any suggestions for help?
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So it suddenly stopped working? – You'reAGitForNotUsingGit Aug 23 '16 at 21:06
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What is the exact response from the terminal command: `sudo modprobe wl` Required key, maybe?? – chili555 Aug 23 '16 at 23:02
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modprobe: ERROR: could not insert 'wl': Required key not available What now? – Tralfie Aug 24 '16 at 12:03
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Android Dev, yes it suddenly stopped. – Tralfie Aug 24 '16 at 12:27
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Ok, thanks gyus. This one worked and fixed the issue. http://askubuntu.com/questions/760075/cant-view-wifi-networks-after-upgrading-to-ubuntu-16-04 Thank you very much for your support. – Tralfie Aug 24 '16 at 21:05
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Did you try checking the blacklist.conf file in the folder /etc/modprobe.d ?? Sometimes my wifi seems useless on various computers/ubuntu versions. Usually putting a # in front of the next ones solves the problem for me.
blacklist eth1394 blacklist bcm43xx
( Yes, you need to ben root to do this of course :-)
Martijn
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