Bug 514780 - Screen not dimming automatically
Summary: Screen not dimming automatically
Status: RESOLVED DUPLICATE of bug 514691
Alias: None
Product: kwin
Classification: Plasma
Component: general (other bugs)
Version First Reported In: 6.5.90
Platform: Arch Linux Linux
: NOR normal
Target Milestone: ---
Assignee: KWin default assignee
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2026-01-18 06:26 UTC by ctj9512
Modified: 2026-01-18 08:56 UTC (History)
0 users

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Description ctj9512 2026-01-18 06:26:33 UTC 
SUMMARY

Screen not dimming automatically, when configured in Power Management settings.

STEPS TO REPRODUCE
1. In System Settings -> Power Management -> Display Brightness, set "Dim automatically" to 30 seconds
2. Wait 30 seconds

OBSERVED RESULT

Screen does not dim

EXPECTED RESULT

Screen dims


SOFTWARE/OS VERSIONS

Operating System: Arch Linux
KDE Plasma Version: 6.5.90
KDE Frameworks Version: 6.22.0
Qt Version: 6.11.0
Kernel Version: 6.18.5-arch1-1 (64-bit)
Graphics Platform: Wayland
Processors: 24 × Intel® Core™ Ultra 9 275HX
Memory: 96 GiB of RAM (93.7 GiB usable)
Graphics Processor 1: NVIDIA GeForce RTX 5080 Laptop GPU/PCIe/SSE2
Graphics Processor 2: NVIDIA GeForce RTX 5080 Laptop GPU/PCIe/SSE2

ADDITIONAL INFORMATION

Screen dimmed as expected on 6.5.5
Comment 1 Antonio Rojas 2026-01-18 08:56:30 UTC 

*** This bug has been marked as a duplicate of bug 514691 ***