Bug 466064 - No KScreen backend found. Please check your KScreen installation.
Summary: No KScreen backend found. Please check your KScreen installation.
Status: RESOLVED DOWNSTREAM
Alias: None
Product: KScreen
Classification: Plasma
Component: common (show other bugs)
Version: 5.26.5
Platform: Ubuntu Linux
: NOR normal
Target Milestone: ---
Assignee: kscreen-bugs-null@kde.org
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2023-02-19 09:50 UTC by Heinrich Schuchardt
Modified: 2023-02-21 23:46 UTC (History)
1 user (show)

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Description Heinrich Schuchardt 2023-02-19 09:50:58 UTC 
SUMMARY

System Setting | Display configuration shows a message "No KScreen backend found. Please check your KScreen installation.".

Scaling of non KDE applications like Google Chrome of Firefox does not work anymore.

STEPS TO REPRODUCE

Open settings

OBSERVED RESULT

System Setting | Display configuration shows a message "No KScreen backend found. Please check your KScreen installation.".

Scaling of non KDE applications like Google Chrome of Firefox does not work anymore.

The kscreen apt package is installed.
XDG_SESSION_TYPE = x11

EXPECTED RESULT
Kscreen plugin is shown

SOFTWARE/OS VERSIONS

Linux/KDE Plasma: Ubuntu 23.04 Lunar
(available in About System) "About system" does not exist in "Help menu"
KDE Plasma Version: 5.26.5
KDE Frameworks Version: 5.102.0
Qt Version: 5.101.0-0ubuntu1

ADDITIONAL INFORMATION
Comment 1 Nate Graham 2023-02-21 23:46:21 UTC 
You're missing the libkscreen and kscreen packages; this is a setup, packaging, or installation issue with your distro. I'd recommend asking for help in a forum specific to your distro.