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I upgraded from 18.04 to 20.04 and tried to enable dark mode but this is not working.

ubuntu dark mode enabled

Dark mode not working

Here is one more weird thing I noted. I am running Ubuntu 20.04 but this message shows 18.04. ubuntu 18.04 error on 20.04

Update: This command solved the problem. sudo apt-get install yaru-theme-gtk

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7
  • Could you, please, check the Ubuntu version by typing: cat /etc/issue, and post the output.
    – Ollie
    May 11, 2020 at 20:43
  • Here is the output Ubuntu 20.04 LTS \n \l
    – Digvijay singh
    May 11, 2020 at 20:45
  • Then you are running on Ubuntu 20.04, I have no idea why the error message says that.
    – Ollie
    May 11, 2020 at 20:46
  • Is there a yaru-dark option?
    – Ollie
    May 11, 2020 at 20:47
  • 2
    Done. sudo apt-get install yaru-theme-gtk have done the task. Thanks :).
    – Digvijay singh
    May 11, 2020 at 20:56

3 Answers 3

Reset to default
18

As listed in comments from the question, I did install Yaru:

sudo apt-get install yaru-theme-gtk

Then I selected the dark theme from Settings > Appearance and it worked.

I obtained a similar yet different result by installing gnome-tweak-tool and selecting the "Ambiance" theme.

Cheers!

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3
  • works like a charm.
    – R. Gurung
    Nov 18, 2020 at 16:33
  • After this it takes a long time to open files window. I am using Ubuntu 20 LTS
    – Aseem
    Jan 17, 2022 at 19:14
  • It works but now icon and directory invisible because there color is also black is there any solution to fix it.
    – Connectify_user
    Feb 2, 2022 at 16:05
6

Try using the Gnome-Tweak tool. First, update, then add the Universe repository, and then install:

sudo apt-get update
sudo add-apt-repository universe
sudo apt-get install gnome-tweak-tool

Open Gnome-Tweaks from Show Applications (or Activities), and click on Appearance. Under Themes, dropdown Applications, and choose Adwaita-dark, or, as the case may be, Yaru-dark.

Hope it helps!

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3
  • There is no option for Adwaita-dark.
    – Digvijay singh
    May 11, 2020 at 20:43
  • @Digvijaysingh Appearance --> Applications --> Adwaita-dark
    – Kushan Gunasekera
    Oct 25, 2020 at 2:51
  • This works but answer by JLoDoesIT is correct.
    – R. Gurung
    Nov 18, 2020 at 16:33
0

I had this problem on Ubuntu 22.04. I found that the 'Accessibility' 'High Contrast' was turned on in 'Settings'. Turning this off let the Terminal window go to 'Dark' theme.

Hope this helps, TD

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