https://bugs.kde.org/show_bug.cgi?id=505290
Bug ID: 505290
Summary: Loss of ability to adjust screen brightness occurs
randomly
Classification: KDE Linux
Product: KDE Linux
Version First unspecified
Reported In:
Platform: Other
OS: Linux
Status: REPORTED
Keywords: usability
Severity: normal
Priority: NOR
Component: General
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected]
Target Milestone: ---
Created attachment 182074
--> https://bugs.kde.org/attachment.cgi?id=182074&action=edit
Brightness control slider gone from settings screen
SUMMARY
Cannot control screen brightness.
STEPS TO REPRODUCE
1. Nothing... the problem manifests periodically, presumably randomly.
2. When the problem occurs, I try to hit the brightness controls (less
brightness, more brightness) on my keyboard, but there is no response from the
display.
3. Alternatively, I go to the System Settings -> Display Configuration pane.
There is no "Brightness control" slider. When the problem occurs, this slider
has disappeared.
4. I have to reboot my system to clear the problem.
OBSERVED RESULT
No change in brightness occurs.
The "Brightness control" on the System Settings -> Display Configuration pane
has disappeared.
EXPECTED RESULT
I should be able to adjust the screen brightness up or down by either hitting
the brightness control keys on my keyboard OR via the System Settings ->
Display Configuration pane.
SOFTWARE/OS VERSIONS
Operating System: Fedora Linux 42
KDE Plasma Version: 6.3.5
KDE Frameworks Version: 6.14.0
Qt Version: 6.9.0
Kernel Version: 6.14.9-300.fc42.x86_64 (64-bit)
Graphics Platform: Wayland
Processors: 16 × AMD Ryzen 7 7840HS w/ Radeon 780M Graphics
Memory: 27.1 GiB of RAM
Graphics Processor: AMD Radeon 780M
ADDITIONAL INFORMATION
This problem appears randomly but quite frequently.
If I update my system via dnf, I ALWAYS reboot immediately to avoid conflict
between incompatible changes to various shared objects or applications.
I've attached screen grabs.
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