KDE Font problem in Ubuntu 20.04

[Liam Proven]

On Wed, 2 Sep 2020 at 10:12, Christoph Pleger
<Christoph.Pleger at cs.uni-dortmund.de> wrote:
>
> Hello,
>
> a few days ago, I installed Ubuntu 20.04 from the default installation DVD.
> Afterwards, I additionally installed packages plasma-workspace, sddm and kde-
> full. Then I rebooted, so that the sddm login screen was shown, with breeze as
> theme. Unfortunately, I found that the login screen had two problems:
>
> 1. Text is either not displayed at all or in a yellow with a font
> that I would say the test is illegible, but possibly some words can be
> guessed.

What make and model of computer do you have? What GPU or graphics card
does it have?

Have you installed any graphics driver for it? Can you do so?

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