Bug 487811

Summary:	Cannot switch to external screen in the Display Configuration
Product:	[Plasma] KScreen	Reporter:	Oleksii Zolotarevskyi <rockingcat>
Component:	OSD and Plasma applet	Assignee:	kscreen-bugs-null <kscreen-bugs-null>
Status:	RESOLVED FIXED
Severity:	normal	CC:	nate
Priority:	NOR
Version First Reported In:	6.0.4
Target Milestone:	---
Platform:	Manjaro
OS:	Linux
Latest Commit:		Version Fixed/Implemented In:	6.1.0
Sentry Crash Report:
Attachments:	Cannot switch to the external screen

Description Oleksii Zolotarevskyi 2024-05-30 19:37:33 UTC

***
I have a laptop with a single screen connected via DisplayPort.
When I use only the laptop screen and select "Switch to External Screen" in the Display Configuraion menu in the System Tray, both screens turn black. The system panel disappears and the wallpaper changes to black color (see the demonstration in the attachment).
***

SUMMARY

STEPS TO REPRODUCE
1. Have a laptop with the external screen connected
2. Activate only the laptop screen in the display configuration and deactivate the external screen
3. Select "Switch to external screen" in the Display Configuration of the System Tray 

OBSERVED RESULT
The desktop is not switched to the external screen.
The Plasma Panel disappears from the desktop, the wallpaper changes to the black color.

EXPECTED RESULT
The desktop is switched to the external screen.
The laptop screen is deactivated.
The plasma desktop remains functional.

SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Manjaro Stable
KDE Plasma Version: 6.0.5
KDE Frameworks Version: 6.2.0
Qt Version: 6.7.1

ADDITIONAL INFORMATION
Graphics Platform: X11
Graphics Adapter: Nvidia+Intel, with Nvidia set as primary GPU
Graphics Driver Version: 550.78

Comment 1 Oleksii Zolotarevskyi 2024-05-30 19:40:47 UTC

Created attachment 170007 [details]
Cannot switch to the external screen

Comment 2 Nate Graham 2024-06-12 20:41:04 UTC

This is fixed in Plasma 6.1.

Comment 3 Oleksii Zolotarevskyi 2024-06-13 21:13:29 UTC

Thanks!