Ubuntu 18 strange behavior after sleep












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After closing the laptop lid, and then awaking it up after some time, the Gnome desktop would show strange behavior. Namely, the screen would blink when the mouse would touch to the top bar, and the system menu would show a strange "pause button", on top of the usual row of the 3 buttons (settings, lock, shut-down).



enter image description here



The only way to fix this, it to put the system back to sleep, and awaking it up again - and the symptoms would disappear.



Any idea what's going on?



My system:



Thinkpad W550s
Linux 4.15.0-43-generic x86_64
Ubuntu 18.04.1 LTS
VGA compatible controller: Intel Corporation HD Graphics 5500 (rev 09)
3D controller: NVIDIA Corporation GM108GLM [Quadro K620M / Quadro M500M]









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    0















    After closing the laptop lid, and then awaking it up after some time, the Gnome desktop would show strange behavior. Namely, the screen would blink when the mouse would touch to the top bar, and the system menu would show a strange "pause button", on top of the usual row of the 3 buttons (settings, lock, shut-down).



    enter image description here



    The only way to fix this, it to put the system back to sleep, and awaking it up again - and the symptoms would disappear.



    Any idea what's going on?



    My system:



    Thinkpad W550s
    Linux 4.15.0-43-generic x86_64
    Ubuntu 18.04.1 LTS
    VGA compatible controller: Intel Corporation HD Graphics 5500 (rev 09)
    3D controller: NVIDIA Corporation GM108GLM [Quadro K620M / Quadro M500M]









    share|improve this question

























      0












      0








      0








      After closing the laptop lid, and then awaking it up after some time, the Gnome desktop would show strange behavior. Namely, the screen would blink when the mouse would touch to the top bar, and the system menu would show a strange "pause button", on top of the usual row of the 3 buttons (settings, lock, shut-down).



      enter image description here



      The only way to fix this, it to put the system back to sleep, and awaking it up again - and the symptoms would disappear.



      Any idea what's going on?



      My system:



      Thinkpad W550s
      Linux 4.15.0-43-generic x86_64
      Ubuntu 18.04.1 LTS
      VGA compatible controller: Intel Corporation HD Graphics 5500 (rev 09)
      3D controller: NVIDIA Corporation GM108GLM [Quadro K620M / Quadro M500M]









      share|improve this question














      After closing the laptop lid, and then awaking it up after some time, the Gnome desktop would show strange behavior. Namely, the screen would blink when the mouse would touch to the top bar, and the system menu would show a strange "pause button", on top of the usual row of the 3 buttons (settings, lock, shut-down).



      enter image description here



      The only way to fix this, it to put the system back to sleep, and awaking it up again - and the symptoms would disappear.



      Any idea what's going on?



      My system:



      Thinkpad W550s
      Linux 4.15.0-43-generic x86_64
      Ubuntu 18.04.1 LTS
      VGA compatible controller: Intel Corporation HD Graphics 5500 (rev 09)
      3D controller: NVIDIA Corporation GM108GLM [Quadro K620M / Quadro M500M]






      18.04 ubuntu-gnome






      share|improve this question













      share|improve this question











      share|improve this question




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      asked Feb 3 at 23:22









      MikeMarsianMikeMarsian

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