Bug 496890

Summary: brightness slider for built-in monitor isn't shown when login with two monitors connected
Product: [Applications] systemsettings Reporter: Mohammad K. <mokazemi>
Component: kcm_kscreenAssignee: kscreen-bugs-null <kscreen-bugs-null>
Status: RESOLVED DUPLICATE    
Severity: normal CC: nate, plasma-bugs
Priority: NOR    
Version First Reported In: 6.2.4   
Target Milestone: ---   
Platform: Arch Linux   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description Mohammad K. 2024-12-01 11:58:15 UTC
SUMMARY

When I login into my system with two monitors connected (one built-in laptop and one external), I only see one brightness slider for the external monitor in applet. To solve it, I have to unplug and re-connect the external monitor to be able to change brightness of both screens.  

STEPS TO REPRODUCE
1. Connect an external monitor to laptop
2. Restart system and login
3. Open screen brightness applet

OBSERVED RESULT
You only see brightness slider for the external monitor

EXPECTED RESULT
I should have two brightness sliders.

SOFTWARE/OS VERSIONS
Operating System: EndeavourOS 
KDE Plasma Version: 6.2.4
KDE Frameworks Version: 6.8.0
Qt Version: 6.8.0
Kernel Version: 6.12.1-arch1-1 (64-bit)
Graphics Platform: Wayland
Graphics Processor: Mesa IntelĀ® Graphics

ADDITIONAL INFORMATION
Comment 1 Mohammad K. 2024-12-01 11:58:46 UTC
Also, I guess users should be able to change the brightness from system settings!
Comment 2 Nate Graham 2024-12-13 19:56:43 UTC

*** This bug has been marked as a duplicate of bug 482713 ***