You are using a non-X11 window system (e.g. Wayland) which is currently not supported by SimpleScreenRecorder. Several features will most likely not work properly. In order to solve this, you should log out, choose a X11/Xorg session at the login screen, and then log back in.SimpleScreenRecorder를 사용시 위와같은 메세지가 뜨고녹화된 영상이 검은 화면이라면sudo nano /etc/gdm3/custom.confWaylandEnable=false가 주석처리된것을 해제한다.즉, ..