https://bugs.freedesktop.org/show_bug.cgi?id=107607
--- Comment #4 from Paul Menzel pmenzel+bugs.freedesktop@molgen.mpg.de --- (In reply to Jerry Zuo from comment #3)
Hi Paul, can you please explain what you did by "when switching the inputs of the monitor (two systems are connected)"?
The monitor has several inputs. Over the OSD (on-screen display) you can tell the monitor what input signal it should display (or the monitor auto-senses it itself). Hopefully, that makes sense.