https://bugs.kde.org/show_bug.cgi?id=454855
Bug ID: 454855
Summary: Brightness once turns to zero, turns off the screen,
cannot turn back on
Product: frameworks-plasma
Version: 5.92.0
Platform: Ubuntu Packages
OS: Linux
Status: REPORTED
Severity: major
Priority: NOR
Component: components
Assignee: plasma-b...@kde.org
Reporter: rittik...@gmail.com
CC: m...@ratijas.tk, notm...@gmail.com
Target Milestone: ---
SUMMARY
I am using a Dell XPS laptop with an OLED display. When I use the keyboard
brightness keys to reduce the brightness, the brightness falls to 0 and turns
off the screen. Turning up the brightness does not turn on the screen. I cannot
turn up the brightness again through the increase brightness button on the
keyboard. I have to close the lid and open it again, only then do I get back
the display. This bug is not present in GDM.
STEPS TO REPRODUCE
1. Turn down the brightness to zero from the laptop keyboard 'decrease
brightness' button.
2. Brightness turns zero and shuts off the screen.
3. Pressed the increase brightness button
OBSERVED RESULT
The display brightness does not increase, the screen stays off.
EXPECTED RESULT
The screen brightness should increase when the 'increase brightness' button is
pressed on the keyboard.
OS DETAILS:
OS: Ubuntu 22.04
Kernel: 5.15.0-35-generic
KDE Plasma version: 5.24.4
KDE Frameworks version: 5.92.0
Qt version: 5.15.3
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