Information about how IGCC and Windows Display Settings present information about your displays.
When using the NUC port and the Arc port for displays, the IGCC and display settings show different configurations. The display arrangement number for connected displays is different in IGCC (or Arc Control panel) compared with the Windows Display Settings page.
Windows doesn't list the displays in order of primary or secondary display. It simply assigns a number to a monitor but not in order of significance.