18.04 Turned off display in Settings-Devices-Screen Display ON/OFF, how to turn on again?

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On a fresh install of 18.04, with laptop and two external monitors, I turned off the laptop display in Settings->Devices->Screen Display using the ON/OFF slider. How do I turn it back on again? Once turned off, it is taken out of the display arrangement. If I remove the laptop from the dock and power-on, it's display works. If I hot plug into the dock again, the two external monitors switch on, but the laptop screen switches off.







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    On a fresh install of 18.04, with laptop and two external monitors, I turned off the laptop display in Settings->Devices->Screen Display using the ON/OFF slider. How do I turn it back on again? Once turned off, it is taken out of the display arrangement. If I remove the laptop from the dock and power-on, it's display works. If I hot plug into the dock again, the two external monitors switch on, but the laptop screen switches off.







    share|improve this question
























      up vote
      2
      down vote

      favorite
      1









      up vote
      2
      down vote

      favorite
      1






      1





      On a fresh install of 18.04, with laptop and two external monitors, I turned off the laptop display in Settings->Devices->Screen Display using the ON/OFF slider. How do I turn it back on again? Once turned off, it is taken out of the display arrangement. If I remove the laptop from the dock and power-on, it's display works. If I hot plug into the dock again, the two external monitors switch on, but the laptop screen switches off.







      share|improve this question














      On a fresh install of 18.04, with laptop and two external monitors, I turned off the laptop display in Settings->Devices->Screen Display using the ON/OFF slider. How do I turn it back on again? Once turned off, it is taken out of the display arrangement. If I remove the laptop from the dock and power-on, it's display works. If I hot plug into the dock again, the two external monitors switch on, but the laptop screen switches off.









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      edited May 1 at 0:44

























      asked May 1 at 0:33









      TWil

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          2 Answers
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          You can turn it back on by clicking on your monitor number in the Display menu and selecting the monitor that is turned back off. Screengrab below:
          display monitor selection



          Each monitor has a number. If you go to Settings > Devices > Screen Display and find the monitor number that is your primary monitor. Click on the number and it will show you a dropdown menu of all available monitors. Select the one you turned off and turn it back on.






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            • Go to Settings

            • Click on Devices

            • Now you should have a window like the one displayed Displays


            • Then click on the display button (below the Display Arrangement section -- in my case it is 'Dell 22"')


            • You will get a menu listing of all your displays. You can then select the display you want to enable and turn on the display.






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              2 Answers
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              up vote
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              You can turn it back on by clicking on your monitor number in the Display menu and selecting the monitor that is turned back off. Screengrab below:
              display monitor selection



              Each monitor has a number. If you go to Settings > Devices > Screen Display and find the monitor number that is your primary monitor. Click on the number and it will show you a dropdown menu of all available monitors. Select the one you turned off and turn it back on.






              share|improve this answer
























                up vote
                0
                down vote













                You can turn it back on by clicking on your monitor number in the Display menu and selecting the monitor that is turned back off. Screengrab below:
                display monitor selection



                Each monitor has a number. If you go to Settings > Devices > Screen Display and find the monitor number that is your primary monitor. Click on the number and it will show you a dropdown menu of all available monitors. Select the one you turned off and turn it back on.






                share|improve this answer






















                  up vote
                  0
                  down vote










                  up vote
                  0
                  down vote









                  You can turn it back on by clicking on your monitor number in the Display menu and selecting the monitor that is turned back off. Screengrab below:
                  display monitor selection



                  Each monitor has a number. If you go to Settings > Devices > Screen Display and find the monitor number that is your primary monitor. Click on the number and it will show you a dropdown menu of all available monitors. Select the one you turned off and turn it back on.






                  share|improve this answer












                  You can turn it back on by clicking on your monitor number in the Display menu and selecting the monitor that is turned back off. Screengrab below:
                  display monitor selection



                  Each monitor has a number. If you go to Settings > Devices > Screen Display and find the monitor number that is your primary monitor. Click on the number and it will show you a dropdown menu of all available monitors. Select the one you turned off and turn it back on.







                  share|improve this answer












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                  answered May 9 at 9:16









                  Rachit Kinger

                  1714




                  1714






















                      up vote
                      0
                      down vote













                      • Go to Settings

                      • Click on Devices

                      • Now you should have a window like the one displayed Displays


                      • Then click on the display button (below the Display Arrangement section -- in my case it is 'Dell 22"')


                      • You will get a menu listing of all your displays. You can then select the display you want to enable and turn on the display.






                      share|improve this answer


























                        up vote
                        0
                        down vote













                        • Go to Settings

                        • Click on Devices

                        • Now you should have a window like the one displayed Displays


                        • Then click on the display button (below the Display Arrangement section -- in my case it is 'Dell 22"')


                        • You will get a menu listing of all your displays. You can then select the display you want to enable and turn on the display.






                        share|improve this answer
























                          up vote
                          0
                          down vote










                          up vote
                          0
                          down vote









                          • Go to Settings

                          • Click on Devices

                          • Now you should have a window like the one displayed Displays


                          • Then click on the display button (below the Display Arrangement section -- in my case it is 'Dell 22"')


                          • You will get a menu listing of all your displays. You can then select the display you want to enable and turn on the display.






                          share|improve this answer














                          • Go to Settings

                          • Click on Devices

                          • Now you should have a window like the one displayed Displays


                          • Then click on the display button (below the Display Arrangement section -- in my case it is 'Dell 22"')


                          • You will get a menu listing of all your displays. You can then select the display you want to enable and turn on the display.







                          share|improve this answer














                          share|improve this answer



                          share|improve this answer








                          edited Jul 2 at 14:19









                          abu_bua

                          2,1122721




                          2,1122721










                          answered Jul 2 at 12:52









                          Aananth C N

                          11




                          11






















                               

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