Bug 500609 - Brightness of an external monitor connected via HDMI resets from 0% to 100% after sleep.
Summary: Brightness of an external monitor connected via HDMI resets from 0% to 100% a...
Status: RESOLVED DUPLICATE of bug 494408
Alias: None
Product: plasmashell
Classification: Plasma
Component: Power management & brightness (show other bugs)
Version: 6.3.1
Platform: Fedora RPMs Linux
: NOR normal
Target Milestone: 1.0
Assignee: Plasma Bugs List
URL:
Keywords: multiscreen, usability
Depends on:
Blocks:
 
Reported: 2025-02-23 07:44 UTC by indx
Modified: 2025-02-28 17:32 UTC (History)
2 users (show)

See Also:
Latest Commit:
Version Fixed In:
Sentry Crash Report:

Attachments
Add an attachment

Note You need to log in before you can comment on or make changes to this bug.
Description indx 2025-02-23 07:44:10 UTC 
SUMMARY
Brightness of an external monitor connected via HDMI resets to 100% after sleep.


STEPS TO REPRODUCE
1. Connect an external monitor, disable built-in one
2. Set brightness to 0%
2. Leave the laptop idle, so it goes to sleep mode
3. Turn the screen on

OBSERVED RESULT
Plasma reset brightness to 100%

EXPECTED RESULT
Brightness stayed the same as before sleep mode

SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Fedora 41 KDE
KDE Plasma Version: 6.3.1
KDE Frameworks Version:  6.11.0
Qt Version: 6.8.2

ADDITIONAL INFORMATION
Comment 1 Nate Graham 2025-02-24 16:44:02 UTC 

*** This bug has been marked as a duplicate of bug 500116 ***
Comment 2 Nate Graham 2025-02-28 17:32:36 UTC 

*** This bug has been marked as a duplicate of bug 494408 ***