59 votesDavid Neidlinger commented
AE 16.1.1 build 4
Mac Pro (late 2013)
12-core, 64GB RAM, FirePro D300 x2, 1TB internal SSD
Display that can't be enabled is connected via HDMI port (no adapters used) to 1080p display. AE insists on selecting a different monitor (connected via sdi dongle on Thunderbolt).