question definitely belongs here, no worries. Over the years have seen users experience issues you mentioned when using multiple monitors. Seems like combination of OS (configuration), HW setup and underlying Java can cause some troubles. Here I share with you three topics that might help you out to find a fix:
To my knowledge there is no one simple solution that covers all cases but rather trial and error approach. Good luck and feel free to share your solution so others who stumble across it can maybe benefit from it
