New Delhi, Dec. 30 -- Windows laptop mouse cursor keeps disappearing? This usually happens when you're already annoyed about something else.You're moving fast. Typing, switching tabs, dragging a window. Your hand slides from keyboard to mouse and the cursor just isn't there. You move the mouse again. Nothing. You lift your fingers like that might help. Still nothing. Then, after a beat, it pops back on screen like it was never gone. The first few times, you blame the mouse. Then the touchpad. Then Bluetooth. Then you swapped mice, changed ports, even restarted in the middle of work because it felt random enough to be anything. It isn't.

What's actually happening is Windows doing exactly what it was told to do, just at the wrong time. The...