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After upgrading from 16.04 to 18.04 I'm having trouble with VNC/Vino.

I can connect via VNC (by enabling the built-in 'Screen Sharing' option), but as soon as I turn of the local display (server is connected to a TV, not a regular monitor), the VNC connection stops working for anything but the active windows. In other words: the background and the dock are not refreshed and the connection becomes very difficult to use (see screenshot).

Anyone has any idea where to look for a solution? I saw some posts about adding a dummy monitor, but that does not seem to apply to my case. screenshot

Warner
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1 Answers1

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I had the same issue on Intel NUC with Ubuntu 19.04 and solved it by disabling of KMS for Intel graphics:

  • Set GRUB_CMDLINE_LINUX_DEFAULT="quiet splash nomodeset i915.modeset=0" in /etc/default/grub
  • Run sudo grub-mkconfig -o /boot/grub/grub.cfg
  • Reboot

Related issue I solved later: If you reboot your machine when display is disconnected, X server might not start. Then:

Jaromir Obr
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