Put the summary of the bug you're having here
What I expected to happen was...:
Normal full screen via F11 or Options>Video Settings>Fullscreen
What actually happened was...:
When full screened the center of the game/crosshairs moves to the far right of the screen resulting the game being cut in half
or the screen goes blank only showing the desktop background
Steps to Reproduce:
1. F11 or Options>Video Settings>Fullscreen
Duplicate of MC-53058.
At the moment there is no support fullscreen on dual monitors.