https://bugs.kde.org/show_bug.cgi?id=505356
Bug ID: 505356 Summary: HDMI Display (TV) cannot wake up from sleep, even when PC actually already woke up Classification: I don't know Product: kde Version First unspecified Reported In: Platform: Fedora RPMs OS: Linux Status: REPORTED Severity: major Priority: NOR Component: general Assignee: unassigned-b...@kde.org Reporter: mohdyu...@gmail.com Target Milestone: --- SUMMARY HDMI TV display connected to PC (Fedora 42 + KDE) cannot wake up from sleep. PC can wake up on mouse + keyboard USB trigger, but TV screen will not show display. Same hardware works completely fine on Windows 11 (screen can wake up fine). STEPS TO REPRODUCE 1. Leave PC idle, it goes to sleep. Screen goes to sleep (HDMI). 2. Tap on keyboard, PC wakes up from the sleep. 3. OBSERVED RESULT TV shows “hdmi connected” but the screen remained dark. EXPECTED RESULT TV screen should wake up. SOFTWARE/OS VERSIONS Windows: macOS: (available in the Info Center app, or by running `kinfo` in a terminal window) Linux/KDE Plasma: Fedora 42, kernel 6.14.9-300.fc42.x86_64 KDE Plasma Version: 6.3.5 KDE Frameworks Version: 6.14.0 Qt Version: 6.9.0 ADDITIONAL INFORMATION Hardware: - AMD Ryzen 9 7900 - NVidia RTX 4090 (Gigabyte) - driver version 575.57.08 - Gigabyte B650 Aorus Pro AX - TV TCL QM8 144hz -- You are receiving this mail because: You are watching all bug changes.