[Kernel-packages] [Bug 1979591] Re: External Monitor Blank After Resume from Screen Blank

*** This bug is a duplicate of bug 1968040 *** https://bugs.launchpad.net/bugs/1968040 ** This bug has been marked a duplicate of bug 1968040 Blanked screen doesn't wake up after locking [drmModeAtomicCommit: Argument invalide] [drmModeAtomicCommit: Invalid argument] -- You received this

[Kernel-packages] [Bug 1971149] Re: Wayland session: Internal display is black after sleep

*** This bug is a duplicate of bug 1968040 *** https://bugs.launchpad.net/bugs/1968040 I have a similar problem using an external HDMI monitor connected to a laptop. It happens with the blank screen after a period of inactivity (without using the screen lock). After the screen has gone blank