Login screen won't show up on external display after screen lock if lid is closed (xubuntu)












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I have a DELL XPS 9570 laptop with xubuntu (18.04.1 LTS) installed.



My problem is that when I have the lid closed with external display connected, after I lock the screen I can't unlock it without opening a lid. So what I do now, every time I need to unlock the screen I open the lid, screen wakes up, I login and close the lid.



I'm also not fully sure if its a good thing or not but after I lock the screen, display goes black (but doesn't turn off, just like it would display black image). When I use mouse or keyboard, it wakes up and shows the greeter. Still of course only if lid is opened.



Any ideas?










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    0















    I have a DELL XPS 9570 laptop with xubuntu (18.04.1 LTS) installed.



    My problem is that when I have the lid closed with external display connected, after I lock the screen I can't unlock it without opening a lid. So what I do now, every time I need to unlock the screen I open the lid, screen wakes up, I login and close the lid.



    I'm also not fully sure if its a good thing or not but after I lock the screen, display goes black (but doesn't turn off, just like it would display black image). When I use mouse or keyboard, it wakes up and shows the greeter. Still of course only if lid is opened.



    Any ideas?










    share|improve this question

























      0












      0








      0








      I have a DELL XPS 9570 laptop with xubuntu (18.04.1 LTS) installed.



      My problem is that when I have the lid closed with external display connected, after I lock the screen I can't unlock it without opening a lid. So what I do now, every time I need to unlock the screen I open the lid, screen wakes up, I login and close the lid.



      I'm also not fully sure if its a good thing or not but after I lock the screen, display goes black (but doesn't turn off, just like it would display black image). When I use mouse or keyboard, it wakes up and shows the greeter. Still of course only if lid is opened.



      Any ideas?










      share|improve this question














      I have a DELL XPS 9570 laptop with xubuntu (18.04.1 LTS) installed.



      My problem is that when I have the lid closed with external display connected, after I lock the screen I can't unlock it without opening a lid. So what I do now, every time I need to unlock the screen I open the lid, screen wakes up, I login and close the lid.



      I'm also not fully sure if its a good thing or not but after I lock the screen, display goes black (but doesn't turn off, just like it would display black image). When I use mouse or keyboard, it wakes up and shows the greeter. Still of course only if lid is opened.



      Any ideas?







      xubuntu power-management






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      asked Feb 4 at 13:02









      marxinmarxin

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          If anyone ever would have this problem:



          The issue was related to light-locker. I guess, for some reason system was getting suspended instead of locked, and to wake up from suspension, lid would need to be opened.



          What I did, I removed light-locker, installed gnome-screensaver, rebooted and it worked.






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            If anyone ever would have this problem:



            The issue was related to light-locker. I guess, for some reason system was getting suspended instead of locked, and to wake up from suspension, lid would need to be opened.



            What I did, I removed light-locker, installed gnome-screensaver, rebooted and it worked.






            share|improve this answer




























              0














              If anyone ever would have this problem:



              The issue was related to light-locker. I guess, for some reason system was getting suspended instead of locked, and to wake up from suspension, lid would need to be opened.



              What I did, I removed light-locker, installed gnome-screensaver, rebooted and it worked.






              share|improve this answer


























                0












                0








                0







                If anyone ever would have this problem:



                The issue was related to light-locker. I guess, for some reason system was getting suspended instead of locked, and to wake up from suspension, lid would need to be opened.



                What I did, I removed light-locker, installed gnome-screensaver, rebooted and it worked.






                share|improve this answer













                If anyone ever would have this problem:



                The issue was related to light-locker. I guess, for some reason system was getting suspended instead of locked, and to wake up from suspension, lid would need to be opened.



                What I did, I removed light-locker, installed gnome-screensaver, rebooted and it worked.







                share|improve this answer












                share|improve this answer



                share|improve this answer










                answered Feb 6 at 11:50









                marxinmarxin

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