iATKOS Inside: Alright so Im trying to get a second monitor into my setup, however once I plug it in, it causes a kernel panic and reboots it with the second display (HDMI) however my main monitor (thunderbolt) remains black. any ideas?

Alright so Im trying to get a second monitor into my setup, however once I plug it in, it causes a kernel panic and reboots it with the second display (HDMI) however my main monitor (thunderbolt) remains black. any ideas?