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Debian 9 - installed 2 days ago. Installed firmware-misc-nonfree_20161130-3_all.deb. Os is recognizing wifi adapter and network manager is showing all the available connections. No matter what I try, it won't connect. Any tips or solutions ? Thanks

  • Try disabling bluetooth. If still it doesn't work than try live booting some other distro and check if WiFi is working. You can try Antergos, Fedora – Arpit Agarwal Oct 12 '17 at 5:22
  • @ArpitAgarwal Wifi works, i have been using that device for quite some time now. – Sheldon Cooper Oct 12 '17 at 5:28
  • The problem is with the WiFi driver. Can you tell on which OS was WiFi working earlier? – Arpit Agarwal Oct 12 '17 at 5:31
  • @ArpitAgarwal works with Windows 7 8 and 10 – Sheldon Cooper Oct 12 '17 at 5:32
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    Run killall wapsupplicant , wpa_supplicant -B -i your-interface -c <(wpa_passphrase your-SSID your-pass) then dhclient your-interface . – GAD3R Oct 12 '17 at 11:39
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In my own case, that could be fixed by

 $ apt install gnome-keyring

Actually I could connect to any previously saved networks, but when trying to connect to something else, nm-applet would not be able to popup the password input box, hence silently prevented me to connect to the network.

Similar report: https://bbs.archlinux.org/viewtopic.php?id=185742.

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