SYSTEM - OS: Arch Linux - Plasma: 6.1.5 - Framework: 6.6.0 - Kwin 6.1.5 - Qt: 6.7.3 - Internal screen GPU: Intel UHD Graphics - External screen GPU: Nvidia GeForce 1650 - Nvidia driver: nvidia-open 560.35.03 - Intel driver: modesetting - Laptop: Lenovo Ideapad Gaming 3 15IMH05 STEPS 1. Attach a secondary display. 2. On "power management", for all tabs, disable the option "even when an external monitor is connected". 3. Close the laptop lid. RESULT - All displays power off. NOTES - Only on Wayland, it doesn't happen in x11. RELATED https://bugs.kde.org/show_bug.cgi?id=479384
*** This bug has been marked as a duplicate of bug 479384 ***
*** This bug has been marked as a duplicate of bug 488005 ***