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I am using gdm (Gnome Display Manager) and gnome3 (regular, not classic) on Ubuntu 16.04.

After switching from Unity, I am not able to see any window decorations on all windows.

I cannot resize the windows correctly and I have seen no option on how to turn this on in the Compiz Settings Manager and in the Gnome Tweak Tool.

Here's a screenshot of the issue, as you can see there is no window border.

missing window decorations in gnome3 on ubuntu 16.04

  • Is your system fully updated? – user589808 Jan 28 '17 at 17:39
  • @CelticWarrior what versions of things should be I looking for? – Rudolf Olah Jan 28 '17 at 19:20
  • Just run sudo apt update && sudo apt full-upgrade – user589808 Jan 28 '17 at 19:27
  • I just did an update, what would the full-upgrade do if I'm 16.04 LTS and have upgraded gnome3 to the latest version? – Rudolf Olah Jan 28 '17 at 19:28
  • Whenever installing software, particularly from third party PPAs and especially DEs regardless of where they come from, you should have the system fully updated. apt upgrade usually does that, apt full-upgrade also installs pending packages and is often used by the Update tool (use the GUI if you want, the end result is the same, cli is faster). – user589808 Jan 28 '17 at 19:32
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Install gnome-tweak-tool

sudo apt install gnome-tweak-tool

In the appearance section, reset GTK+, Icons, Cursor

enter image description here

  • that fixed the window decorations, the cursor and icons still appear small in some apps (maybe I have to restart?) – Rudolf Olah May 20 '17 at 14:17
  • i did a logout/login. otherwise i had issues with font rendering etc. – JimB May 22 '17 at 15:09

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