https://bugs.kde.org/show_bug.cgi?id=471811
Bug ID: 471811
Summary: Laptop screen auto-dimming
Classification: Plasma
Product: kwin
Version: unspecified
Platform: Manjaro
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: milton...@gmail.com
Target Milestone: ---
Flags: Wayland-
SUMMARY
***
Screen is dimming itself without any user interactions, even when the laptop is
plugged in to power. It acts as if power has been removed and it is running on
the battery. The power removed notification sounds, though the power is still
plugged in, and the screen dims by on its own.
This has been observed when an external monitor is being used on the laptop's
HDMI port.
***
STEPS TO REPRODUCE
1. Plug in power the laptop from the power adapter
2. Attach an external monitor to the HDMI port
3. Wait for it to happen.
OBSERVED RESULT
Laptop screen auto-dims
The screen brightness can be returned to its previous setting manually
Occurs randomly, sometimes in 10 min intervals, other times at longer intervals
EXPECTED RESULT
The screen brightness not change and maintain its setting
SOFTWARE/OS VERSIONS
Windows:
macOS:
Linux/KDE Plasma:
(available in About System)
KDE Plasma Version: 5.27.5
KDE Frameworks Version: 5.106.0
Qt Version: 5.15.9
ADDITIONAL INFORMATION
X11
Kernel: 6.1.31-2-MANJARO
AMD Ryzen 7 4800H
AMD Radeon Graphics
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