I kept losing my cursor on a big monitor. PowerToys Mouse Utilities fixes that with Find my mouse, Mouse Jump, and Crosshairs ...
Most laptops have a touchpad toggle key. The cursor often reappears immediately. A simple restart can fix many problems.
When I’d use Windows on a small monitor, sometimes I’d have trouble finding my mouse cursor. Sometimes it would just get caught up in similar background shapes, other times the color would just melt ...