Bug 466064

Summary:	No KScreen backend found. Please check your KScreen installation.
Product:	[Plasma] KScreen	Reporter:	Heinrich Schuchardt <xypron.glpk>
Component:	common	Assignee:	kscreen-bugs-null <kscreen-bugs-null>
Status:	RESOLVED DOWNSTREAM
Severity:	normal	CC:	nate
Priority:	NOR
Version First Reported In:	5.26.5
Target Milestone:	---
Platform:	Ubuntu
OS:	Linux
Latest Commit:		Version Fixed/Implemented In:
Sentry Crash Report:

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.