I solved the problem by installing in sequence the three versions of Simconnect as described in this post:
http://forum.aerosoft.com/index.php?/topic/85495-black-screen-and-side-stick-not-working/
Thank you all.
alfonso
I installed 737NGX into P3D v3.1 on a clean system (Win 10 64b), but I only get the graphic panel and all the clickable areas are absent. Engines are on and don't appear the window where insert the serial number.
Someone could help me? Where i wrong?
alfonso visentin