Obs 30.0.2 Asus Window 11 I7 laptop latest windows update. USB C to Atem Mini Pro, HDMI from 2 PTZ optics . The video stopped working in OBS. Can see Blackmagic design video capture device properties with tiny red square upper left screen. When transform to fit screen display is black screen. Previously working. FPRs are all set to 30 FPR, resolution 1920x 1080. Tried different USB port connections C-C and C-B. Please Help