Recently I installed Debian 9 xfce on my home desktop, I was able to connect to the wi-fi network at the time of installation but after logging into desktop I am not able to connect to any wi-fi network using network manager.

After some searching I have found that this issue is due to the new privacy feature (MAC address randomization) in the new version of NetworkManager causing some wi-fi adaptors to stop working.

Both Debian 9 and Ubuntu 17.04/17.10 are badly affected with this bug, You can read more about this bug in Debian 9 here and Ubuntu 17.04/17.10 here .

Follow below steps to fix this issue in Debian 9 and Ubuntu 17.04/17.10
Edit NetworkManager config file
 sudo nano /etc/NetworkManager/NetworkManager.conf

Now add below lines to the file


[device]
wifi.scan-rand-mac-address=no

 

Restart NetworkManager service
 sudo systemctl restart NetworkManager 

Now you will be able connect to wi-fi network.

Can’t connect to WiFi in debian 9 and Ubuntu 17.04/17.10 [FIXED]
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4 thoughts on “Can’t connect to WiFi in debian 9 and Ubuntu 17.04/17.10 [FIXED]

  • July 7, 2017 at 3:38 AM
    Permalink

    wow! fixed the issue in deb 9
    thank you for your help

    Reply
    • July 7, 2017 at 7:25 AM
      Permalink

      Thanks ! Glad it worked for you

      Reply
    • July 9, 2017 at 2:53 PM
      Permalink

      Hi Miguel , Glad it worked for you

      Reply

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