Restart wireless connections with command?











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I have troubles with Ubuntu 18.04 on my laptop dell precision 5530. My wireless connections are sometimes interrupted. When I open settings I see on wifi and bluetooth tab message Wifi / BT adapter not found.



I also tried restart network manager with command sudo service network-manager restart but doesn't work.



I find out temporary solution turn off laptop and start it again (I really mean turn off because restart doesn't solve it).



Can you tell me how can I fix wifi network when interrupted without turning my laptop off or how to fix it forever? Thank you in advice.










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    up vote
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    down vote

    favorite












    I have troubles with Ubuntu 18.04 on my laptop dell precision 5530. My wireless connections are sometimes interrupted. When I open settings I see on wifi and bluetooth tab message Wifi / BT adapter not found.



    I also tried restart network manager with command sudo service network-manager restart but doesn't work.



    I find out temporary solution turn off laptop and start it again (I really mean turn off because restart doesn't solve it).



    Can you tell me how can I fix wifi network when interrupted without turning my laptop off or how to fix it forever? Thank you in advice.










    share|improve this question
























      up vote
      0
      down vote

      favorite









      up vote
      0
      down vote

      favorite











      I have troubles with Ubuntu 18.04 on my laptop dell precision 5530. My wireless connections are sometimes interrupted. When I open settings I see on wifi and bluetooth tab message Wifi / BT adapter not found.



      I also tried restart network manager with command sudo service network-manager restart but doesn't work.



      I find out temporary solution turn off laptop and start it again (I really mean turn off because restart doesn't solve it).



      Can you tell me how can I fix wifi network when interrupted without turning my laptop off or how to fix it forever? Thank you in advice.










      share|improve this question













      I have troubles with Ubuntu 18.04 on my laptop dell precision 5530. My wireless connections are sometimes interrupted. When I open settings I see on wifi and bluetooth tab message Wifi / BT adapter not found.



      I also tried restart network manager with command sudo service network-manager restart but doesn't work.



      I find out temporary solution turn off laptop and start it again (I really mean turn off because restart doesn't solve it).



      Can you tell me how can I fix wifi network when interrupted without turning my laptop off or how to fix it forever? Thank you in advice.







      networking wireless 18.04 bluetooth






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      share|improve this question










      asked Dec 1 at 21:29









      Denis Stephanov

      1075




      1075






















          2 Answers
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          Instead of directly restarting the network service , try



              sudo service network-manager stop
          sudo service network-manager start





          share|improve this answer




























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            Sounds like a power management issue, open terminal and do


            sudo sed -i 's/wifi.powersave = 3/wifi.powersave = 2/' /etc/NetworkManager/conf.d/default-wifi-powersave-on.conf
            systemctl restart network-manager.service





            share|improve this answer





















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              2 Answers
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              2 Answers
              2






              active

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              active

              oldest

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              active

              oldest

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              up vote
              0
              down vote













              Instead of directly restarting the network service , try



                  sudo service network-manager stop
              sudo service network-manager start





              share|improve this answer

























                up vote
                0
                down vote













                Instead of directly restarting the network service , try



                    sudo service network-manager stop
                sudo service network-manager start





                share|improve this answer























                  up vote
                  0
                  down vote










                  up vote
                  0
                  down vote









                  Instead of directly restarting the network service , try



                      sudo service network-manager stop
                  sudo service network-manager start





                  share|improve this answer












                  Instead of directly restarting the network service , try



                      sudo service network-manager stop
                  sudo service network-manager start






                  share|improve this answer












                  share|improve this answer



                  share|improve this answer










                  answered Dec 1 at 21:41









                  root-user

                  12




                  12
























                      up vote
                      0
                      down vote













                      Sounds like a power management issue, open terminal and do


                      sudo sed -i 's/wifi.powersave = 3/wifi.powersave = 2/' /etc/NetworkManager/conf.d/default-wifi-powersave-on.conf
                      systemctl restart network-manager.service





                      share|improve this answer

























                        up vote
                        0
                        down vote













                        Sounds like a power management issue, open terminal and do


                        sudo sed -i 's/wifi.powersave = 3/wifi.powersave = 2/' /etc/NetworkManager/conf.d/default-wifi-powersave-on.conf
                        systemctl restart network-manager.service





                        share|improve this answer























                          up vote
                          0
                          down vote










                          up vote
                          0
                          down vote









                          Sounds like a power management issue, open terminal and do


                          sudo sed -i 's/wifi.powersave = 3/wifi.powersave = 2/' /etc/NetworkManager/conf.d/default-wifi-powersave-on.conf
                          systemctl restart network-manager.service





                          share|improve this answer












                          Sounds like a power management issue, open terminal and do


                          sudo sed -i 's/wifi.powersave = 3/wifi.powersave = 2/' /etc/NetworkManager/conf.d/default-wifi-powersave-on.conf
                          systemctl restart network-manager.service






                          share|improve this answer












                          share|improve this answer



                          share|improve this answer










                          answered Dec 1 at 21:58









                          Jeremy31

                          8,27521364




                          8,27521364






























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