jep, bw limit of the digital channel. had that same issue with a 1920x1200@60 display on old hdmi connection and with a 1920x1080@60 tv on dvi-hdmi. lowering

jep, bw limit of the digital channel. had that same issue with a 1920x1200@60 display on old hdmi connection and with a 1920x1080@60 tv on dvi-hdmi. lowering the refreshrate slightly (59.9 Hz) made it work