Bug 501123 - Black Screens Both Login and Desktop Triplehead.
Summary: Black Screens Both Login and Desktop Triplehead.
Status: RESOLVED DUPLICATE of bug 500819
Alias: None
Product: plasmashell
Classification: Plasma
Component: generic-crash (show other bugs)
Version: 6.3.2
Platform: Fedora RPMs Linux
: NOR crash
Target Milestone: 1.0
Assignee: Plasma Bugs List
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2025-03-05 23:24 UTC by Myc
Modified: 2025-03-07 16:24 UTC (History)
1 user (show)

See Also:
Latest Commit:
Version Fixed In: 6.3.2.1
Sentry Crash Report:

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Description Myc 2025-03-05 23:24:37 UTC 
SUMMARY
Blank screens on login screen or desktop.  Unplugging one display causes the other two displays to come back on.  Then plugging that display in all three are active.

STEPS TO REPRODUCE
1. Boot PC, see all three displays show boot splash.
2. All screens show black with static cursor top right.  Unplug one display and plug it back in. Now all three displays are working. 
3. Login, all screens show black again.  Unplug one display and plug it back in. Now all three displays are working. 

OBSERVED RESULT
Displays are showing black upon reaching login screen or desktop.

EXPECTED RESULT
Displays function as expected.

SOFTWARE/OS VERSIONS
Operating System: Fedora Linux 41
KDE Plasma Version: 6.3.2
KDE Frameworks Version: 6.11.0
Qt Version: 6.8.2
Kernel Version: 6.13.5-200.fc41.x86_64 (64-bit)
Graphics Platform: Wayland
Processors: 4 × Intel® Core™ i5-6500T CPU @ 2.50GHz
Memory: 31.2 GiB of RAM
Graphics Processor: Intel® HD Graphics 530
Manufacturer: LENOVO
Product Name: 10FM001UUS
System Version: ThinkCentre M900

ADDITIONAL INFORMATION
This started happening the late week or two.  No hardware changes have occured.
Comment 1 Nate Graham 2025-03-07 16:24:13 UTC 
This is fixed in KWin 6.3.2.1, which Fedora has already shipped, so please update the system. Sorry for the hassle!

*** This bug has been marked as a duplicate of bug 500819 ***