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My display freezed and I had to forcefully restart my laptop. I restarted with „systemctl kexec” through SSH.

Since then, my applications are rendered darker than usual for no apparent reason. Not all applications are affected. For example, Firefox, LibreOffice are not affected. GNOME Terminal, System Monitor, Calculator, GEdit are affected, however. The pattern I see here is that GNOME applications are affected, though I'm not sure if this is the key.

Darker applications

See the attached screenshot. It is well visible that my applications are rendered darker than other desktop components: the Unity taskbar and the global title bar are rendered with their normal brightness, while the applications are noticeably darker. The purple background of the GNOME Terminal is almost like black. What might be the reason and how could I fix it?

I use Unity desktop on Ubuntu 17.04.

Might be related to this other question, though it doesn't have enough details to tell: Why my Ubuntu colors became dark?

  • Have you done a normal full reboot yet? – heynnema Oct 3 '17 at 22:44
  • Yes, reboot does not help. – MegaBrutal Oct 4 '17 at 17:40
  • @MegaBrutal Also this question askubuntu.com/q/964659/478343 (I asked) seems to be related (no solution so far however). – Lgen Oct 17 '17 at 11:44
  • @MegaBrutal Problem solved for me with an update today (several mesa related libraries were updated, I don't know if there is a cause -> effect link). – Lgen Oct 17 '17 at 12:11
  • Are you using any PPAs for your graphics drivers? – edwinksl Oct 18 '17 at 6:29
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Similar problem was solved for me with a full-upgrade. Some mesa related libraries, adapta-gtk-theme and xserver-xorg-core were updated with some additional libraries.

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