@sdetweil said in Getting MMM to open on the second monitor and correctly size:
n config.js u need to tell it where (left/right) to position the monitor in the display space.
add this to config.js
var config = {
electronOptions:{x:1920 }, // add this line, where x is the width of your 1st displaynow orientation… you MAY be able to use also width and height… altho it says to fullscreen on that montitor, so it should work
electronOptions:{x:1920, width:xx, height: yy },
Great thank you for the advice I will try it later.