https://bugs.kde.org/show_bug.cgi?id=401152
Bug ID: 401152
Summary: In multi monitor configuration PC start with screen
OFF
Product: kwin
Version: unspecified
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: bio...@gmail.com
Target Milestone: ---
Created attachment 116376
--> https://bugs.kde.org/attachment.cgi?id=116376&action=edit
Screen configuration
I have the PC connected to a Samsung TV through an audio amplifier. Usually I
do not use the TV so it is disabled in monitor settings (attachment: SAMSUNG).
My monitor (attachment: VE248) is set as the main screen.
OBSERVED RESULT
When the computer starts it start with the screen ON: I can see the mouse on a
dark background and it moves correctly. In a few seconds it turns OFF, no
matter I move the mouse or randomly press on keyboard, it stays OFF.
The turn my monitor ON I have to power ON the amplifier, then it turns ON.
After that I can turn the amplifier OFF again, everything keeps working as
expected.
EXPECTED RESULT
The screen should stay ON independently on the amplifier when it is enabled in
Screen settings.
SOFTWARE/OS VERSIONS
OS: Kubuntu 18.10
KDE Plasma Version: 5.14.3
KDE Frameworks Version: 5.52.0
Qt Version: 5.11.1
ADDITIONAL INFORMATION
PC is connected from an AMD GPU through HDMI to the monitor.
PC is connected from the integrated Intel HDMI output to a Yamaha audio
amplifier (5.1 Home cinema) which is connected through HDMI to a Samsung TV.
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