On my computer, by default without changing any manjaro settings, when you close the lid, it’s specified in the power settings that it will lock the screen.
When I re-open the lid, I’m always confronted with a black screen with my cursor on it, after a second, it goes away and then I see the login screen. Do others get this?
I think the black screen is an artifact of light-locker, which makes my login feel sluggish, maybe using another locker is better anyways?
I also just ran an experiment, if we replace the string light-locker with xfce4-screensaver in the specified file, we can lock the screen successfully without any extra software. By doing this, note that the theme of the lock screen doesn’t match the initial login screen after a reboot (which I believe is lightdm)