https://bugs.kde.org/show_bug.cgi?id=410799
Bug ID: 410799 Summary: Screen poweroff does not poweroff external monitors, only laptop display Product: Powerdevil Version: 5.16.3 Platform: Neon Packages OS: Linux Status: REPORTED Severity: normal Priority: NOR Component: general Assignee: plasma-b...@kde.org Reporter: t...@growthpath.com.au Target Milestone: --- SUMMARY Thinkpad T480 (intel only) with one HDMI external monitor and one display port monitor. On AC. STEPS TO REPRODUCE 1. In settings Power Management 'AC' set a time for Screen Energy Saving. e.g. Switch off after 1 min 2. Leave computer inactive 3. OBSERVED RESULT Laptop display panels powers down (backlight off): good But two external monitors stay on EXPECTED RESULT All three monitors should power off. note that these monitors do power off with manual xset such as xset dpms 300 360 360; xset +dpms and the poweroff when the laptop sleeps (laptop Suspend session: After xx min Sleep works perfectly) so there is no hardware problem SOFTWARE/OS VERSIONS Windows: macOS: Linux/KDE Plasma: (available in About System) KDE Plasma Version: KDE Frameworks Version: Qt Version: Operating System: KDE neon 5.16 KDE Plasma Version: 5.16.4 KDE Frameworks Version: 5.60.0 Qt Version: 5.12.3 Kernel Version: 5.0.0-25-generic OS Type: 64-bit Processors: 8 × Intel® Core™ i7-8550U CPU @ 1.80GHz Memory: 31.2 GiB of RAM ADDITIONAL INFORMATION -- You are receiving this mail because: You are watching all bug changes.