i have 3 display computer and 1 production computer each display computer is dell t5810 with wx9100 and s400. each display computer’s wx9100 have 5 output for led sending card and 1 output for display computer monitor(only for control display computer, not for wo). all led sending card’s resolution is 1920*1472 50hz and all display monitor’s resolution is 1920*1080 50hz i’ve setting up each s400 sync and wo6.4’s sync setting. i’m sure each display computer’s 5 output are sync even without s400. but still got tearing not sync between display computer.(only fast move video files) i also try hap hapq mp4 and got same problem... what else can i do ?