LAS dataset related windows and dialog boxes (Profile view, 3D view and their child dialog boxes in ArcMap) may display off screen when the screen resolution is decreased.
Revert to the settings (higher resolution or multiple monitor display) at which the LAS dataset windows are visible. Launch the profile view and 3d windows in Map.Drag and position the windows to the upper left area of the primary screen. Exit ArcMap. (New positions of the windows are now recorded.)Switch to the desired settings (lower resolution, single monitor etc.)LAS Profile view and 3d view windows will now be visible on the primary screen when launched.