Wifi doesn't detect any networks on 16.04





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I'm having troubles with wifi. I'm using a MacBook Pro 7,1 with a Broadcom 4322 wireless interface, and it theoretically works, but it's not showing any networks.



rfkill says that nothing is blocked, the module is up, and iwlist says that there are 32 channels available but doesn't find any networks when it scans.



Any help would be appreciated. Thanks!



UPDATE: So if the laptop is plugged in via ethernet, and then I reboot, I can get a wireless connection. If it's not, though, then I can't get anything. Very odd.



UPDATE II: Scratch that, it appears to be entirely random... buh.










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    I'm having troubles with wifi. I'm using a MacBook Pro 7,1 with a Broadcom 4322 wireless interface, and it theoretically works, but it's not showing any networks.



    rfkill says that nothing is blocked, the module is up, and iwlist says that there are 32 channels available but doesn't find any networks when it scans.



    Any help would be appreciated. Thanks!



    UPDATE: So if the laptop is plugged in via ethernet, and then I reboot, I can get a wireless connection. If it's not, though, then I can't get anything. Very odd.



    UPDATE II: Scratch that, it appears to be entirely random... buh.










    share|improve this question
















    bumped to the homepage by Community 10 mins ago


    This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.


















      0












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      0








      I'm having troubles with wifi. I'm using a MacBook Pro 7,1 with a Broadcom 4322 wireless interface, and it theoretically works, but it's not showing any networks.



      rfkill says that nothing is blocked, the module is up, and iwlist says that there are 32 channels available but doesn't find any networks when it scans.



      Any help would be appreciated. Thanks!



      UPDATE: So if the laptop is plugged in via ethernet, and then I reboot, I can get a wireless connection. If it's not, though, then I can't get anything. Very odd.



      UPDATE II: Scratch that, it appears to be entirely random... buh.










      share|improve this question
















      I'm having troubles with wifi. I'm using a MacBook Pro 7,1 with a Broadcom 4322 wireless interface, and it theoretically works, but it's not showing any networks.



      rfkill says that nothing is blocked, the module is up, and iwlist says that there are 32 channels available but doesn't find any networks when it scans.



      Any help would be appreciated. Thanks!



      UPDATE: So if the laptop is plugged in via ethernet, and then I reboot, I can get a wireless connection. If it's not, though, then I can't get anything. Very odd.



      UPDATE II: Scratch that, it appears to be entirely random... buh.







      wireless 16.04 broadcom macbook-pro






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      share|improve this question













      share|improve this question




      share|improve this question








      edited Jun 22 '16 at 3:07







      Tamara

















      asked Jun 22 '16 at 1:09









      TamaraTamara

      615




      615





      bumped to the homepage by Community 10 mins ago


      This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.







      bumped to the homepage by Community 10 mins ago


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          3 Answers
          3






          active

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          0














          Have you try adding additional drivers? open up Software & update and choose Additional Drivers from here you should be able to add the necessary divers needed to get your machine connected



          If possible try connecting your machine with a wired connection then scan using the method I provided above. I've never use a Mac but I'm guessing it can't be much different connecting to a WiFi connection






          share|improve this answer
























          • Did that first thing, I'm already using the only driver available. If I choose "do not use the device" then it doesn't even detect that there is wifi.

            – Tamara
            Jun 22 '16 at 2:51











          • Did you install the driver? (see help.ubuntu.com/community/WifiDocs/Driver/bcm43xx) Also, after opening Software & update, you may need to select the option "Proprietary drivers for device (restricted)"

            – wutangforever
            Jun 23 '16 at 20:07





















          0














          you can also go into the "Network" menu on the System Settings page and see the networks that are available. The applet seems to be the issue.






          share|improve this answer































            -1














            kill and restart NetworkManager. I have this or a similar problem as well, since upgrading to 16.04 LTS. eg:



            sudo killall NetworkManager



            sudo NetworkManager &






            share|improve this answer



















            • 1





              The better way of restarting Network Manager is to do sudo systemctl restart NetworkManager.service.

              – edwinksl
              Jun 23 '16 at 23:00












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            3 Answers
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            3 Answers
            3






            active

            oldest

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            active

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            active

            oldest

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            0














            Have you try adding additional drivers? open up Software & update and choose Additional Drivers from here you should be able to add the necessary divers needed to get your machine connected



            If possible try connecting your machine with a wired connection then scan using the method I provided above. I've never use a Mac but I'm guessing it can't be much different connecting to a WiFi connection






            share|improve this answer
























            • Did that first thing, I'm already using the only driver available. If I choose "do not use the device" then it doesn't even detect that there is wifi.

              – Tamara
              Jun 22 '16 at 2:51











            • Did you install the driver? (see help.ubuntu.com/community/WifiDocs/Driver/bcm43xx) Also, after opening Software & update, you may need to select the option "Proprietary drivers for device (restricted)"

              – wutangforever
              Jun 23 '16 at 20:07


















            0














            Have you try adding additional drivers? open up Software & update and choose Additional Drivers from here you should be able to add the necessary divers needed to get your machine connected



            If possible try connecting your machine with a wired connection then scan using the method I provided above. I've never use a Mac but I'm guessing it can't be much different connecting to a WiFi connection






            share|improve this answer
























            • Did that first thing, I'm already using the only driver available. If I choose "do not use the device" then it doesn't even detect that there is wifi.

              – Tamara
              Jun 22 '16 at 2:51











            • Did you install the driver? (see help.ubuntu.com/community/WifiDocs/Driver/bcm43xx) Also, after opening Software & update, you may need to select the option "Proprietary drivers for device (restricted)"

              – wutangforever
              Jun 23 '16 at 20:07
















            0












            0








            0







            Have you try adding additional drivers? open up Software & update and choose Additional Drivers from here you should be able to add the necessary divers needed to get your machine connected



            If possible try connecting your machine with a wired connection then scan using the method I provided above. I've never use a Mac but I'm guessing it can't be much different connecting to a WiFi connection






            share|improve this answer













            Have you try adding additional drivers? open up Software & update and choose Additional Drivers from here you should be able to add the necessary divers needed to get your machine connected



            If possible try connecting your machine with a wired connection then scan using the method I provided above. I've never use a Mac but I'm guessing it can't be much different connecting to a WiFi connection







            share|improve this answer












            share|improve this answer



            share|improve this answer










            answered Jun 22 '16 at 1:39









            Rob GossRob Goss

            11619




            11619













            • Did that first thing, I'm already using the only driver available. If I choose "do not use the device" then it doesn't even detect that there is wifi.

              – Tamara
              Jun 22 '16 at 2:51











            • Did you install the driver? (see help.ubuntu.com/community/WifiDocs/Driver/bcm43xx) Also, after opening Software & update, you may need to select the option "Proprietary drivers for device (restricted)"

              – wutangforever
              Jun 23 '16 at 20:07





















            • Did that first thing, I'm already using the only driver available. If I choose "do not use the device" then it doesn't even detect that there is wifi.

              – Tamara
              Jun 22 '16 at 2:51











            • Did you install the driver? (see help.ubuntu.com/community/WifiDocs/Driver/bcm43xx) Also, after opening Software & update, you may need to select the option "Proprietary drivers for device (restricted)"

              – wutangforever
              Jun 23 '16 at 20:07



















            Did that first thing, I'm already using the only driver available. If I choose "do not use the device" then it doesn't even detect that there is wifi.

            – Tamara
            Jun 22 '16 at 2:51





            Did that first thing, I'm already using the only driver available. If I choose "do not use the device" then it doesn't even detect that there is wifi.

            – Tamara
            Jun 22 '16 at 2:51













            Did you install the driver? (see help.ubuntu.com/community/WifiDocs/Driver/bcm43xx) Also, after opening Software & update, you may need to select the option "Proprietary drivers for device (restricted)"

            – wutangforever
            Jun 23 '16 at 20:07







            Did you install the driver? (see help.ubuntu.com/community/WifiDocs/Driver/bcm43xx) Also, after opening Software & update, you may need to select the option "Proprietary drivers for device (restricted)"

            – wutangforever
            Jun 23 '16 at 20:07















            0














            you can also go into the "Network" menu on the System Settings page and see the networks that are available. The applet seems to be the issue.






            share|improve this answer




























              0














              you can also go into the "Network" menu on the System Settings page and see the networks that are available. The applet seems to be the issue.






              share|improve this answer


























                0












                0








                0







                you can also go into the "Network" menu on the System Settings page and see the networks that are available. The applet seems to be the issue.






                share|improve this answer













                you can also go into the "Network" menu on the System Settings page and see the networks that are available. The applet seems to be the issue.







                share|improve this answer












                share|improve this answer



                share|improve this answer










                answered Jun 27 '16 at 13:55









                d4v3y0rkd4v3y0rk

                952




                952























                    -1














                    kill and restart NetworkManager. I have this or a similar problem as well, since upgrading to 16.04 LTS. eg:



                    sudo killall NetworkManager



                    sudo NetworkManager &






                    share|improve this answer



















                    • 1





                      The better way of restarting Network Manager is to do sudo systemctl restart NetworkManager.service.

                      – edwinksl
                      Jun 23 '16 at 23:00
















                    -1














                    kill and restart NetworkManager. I have this or a similar problem as well, since upgrading to 16.04 LTS. eg:



                    sudo killall NetworkManager



                    sudo NetworkManager &






                    share|improve this answer



















                    • 1





                      The better way of restarting Network Manager is to do sudo systemctl restart NetworkManager.service.

                      – edwinksl
                      Jun 23 '16 at 23:00














                    -1












                    -1








                    -1







                    kill and restart NetworkManager. I have this or a similar problem as well, since upgrading to 16.04 LTS. eg:



                    sudo killall NetworkManager



                    sudo NetworkManager &






                    share|improve this answer













                    kill and restart NetworkManager. I have this or a similar problem as well, since upgrading to 16.04 LTS. eg:



                    sudo killall NetworkManager



                    sudo NetworkManager &







                    share|improve this answer












                    share|improve this answer



                    share|improve this answer










                    answered Jun 23 '16 at 22:54









                    ALFALF

                    1




                    1








                    • 1





                      The better way of restarting Network Manager is to do sudo systemctl restart NetworkManager.service.

                      – edwinksl
                      Jun 23 '16 at 23:00














                    • 1





                      The better way of restarting Network Manager is to do sudo systemctl restart NetworkManager.service.

                      – edwinksl
                      Jun 23 '16 at 23:00








                    1




                    1





                    The better way of restarting Network Manager is to do sudo systemctl restart NetworkManager.service.

                    – edwinksl
                    Jun 23 '16 at 23:00





                    The better way of restarting Network Manager is to do sudo systemctl restart NetworkManager.service.

                    – edwinksl
                    Jun 23 '16 at 23:00


















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