https://bugs.kde.org/show_bug.cgi?id=484808
Bug ID: 484808
Summary: Unresponsive black screen when disconnecting external
monitor with laptop lid closed
Classification: Plasma
Product: KScreen
Version: 6.0.3
Platform: openSUSE
OS: Linux
Status: REPORTED
Severity: grave
Priority: NOR
Component: common
Assignee: kscreen-bugs-n...@kde.org
Reporter: kato...@gmail.com
Target Milestone: ---
SUMMARY
I have my laptop connected to a USB-C dock with an external screen. When I
disconnect the laptop from the dock with the laptop lid closed (so the external
is the only screen) very often the result is a totally black screen on the
laptop (without even mouse) and the laptop is totally unresponsive.
Reconnecting to the hub does not solve, only long press power button helps. In
some cases the result is only a black screen with mouse, when I can start a
console and start plasmashell. Yes, it has to be started, because it is not
running, at least kquitapp6 says this.
STEPS TO REPRODUCE
1. Disconnect the external screen with laptop lid closed.
OBSERVED RESULT
Unresponsive black screen or black screen with only mouse
EXPECTED RESULT
It should work normally.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: oopenSUSE Tumbleweed 20240326
(available in About System)
KDE Plasma Version: 6.0.3.
KDE Frameworks Version: 6.0.0
Qt Version: 6.6.2
ADDITIONAL INFORMATION
seems very similar to bug476340
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