https://bugs.kde.org/show_bug.cgi?id=437470
Bug ID: 437470
Summary: Screen turning off after reconnecting the docking
station
Product: plasmashell
Version: 5.21.5
Platform: Manjaro
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Multi-screen support
Assignee: aleix...@kde.org
Reporter: jan.clausse...@web.de
CC: plasma-b...@kde.org
Target Milestone: 1.0
SUMMARY
I am not sure if this bug is related to Plasma or my docking station. I have an
older ThinkPad dock and when I disconnect and reconnect the dock, the display
moves to the external monitor and then turns off. I have to quickly press the
button to switch screens, select the laptop screen and then the external screen
again.
I do not have this problem when using a pure HDMI or Display port connection. I
also have other problems like that the sleep mode is not activated anymore when
closing the laptop lid after I have disconnected the dock. It is a ThinkPad
USB-C dock type 40A9.
STEPS TO REPRODUCE
1. Connect the dock via USB-C with an external monitor connected
2. Unplug the USB connector and reconnect it
OBSERVED RESULT
The display is shown on the external monitor for 1-2 seconds and then turns
off. I have to disconnect and try again with the strategy mentioned above.
Pressing the button to switch displays doesn't react otherwise.
KDE Plasma Version: 5.21.5
KDE Frameworks Version: 5.82.0
Qt Version: 5.15.2
ADDITIONAL INFORMATION
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