Another way to move the mouse using the keyboard one pixel at a time is by using the Settings app of Windows 11/10. There is a dedicated section for it. You need to activate the Mouse Keys and ...

Press the DPI switch button once and move the mouse. If the cursor speed changes, you’ve found the cause. Cycle through the ...

At the next screen, turn on the switch for AssistiveTouch; a large circular mouse cursor should appear on the screen. Move your mouse around to see if the cursor responds to its movements (Figure A).

If you use a laptop, you may have experienced the frustration of either a faulty touchpad, a missing or broken mouse. ...

On your Mac, use the trackpad or mouse to move the pointer off the edge of the screen in the direction of your iPad. As you continue to move it, you'll see the pointer jump from the Mac to the iPad.

Press "-" and then "5" to right-click. Drag and drop by moving the mouse with the numeric keypad. Press "Insert" to simulate holding down the mouse button, and then press the "Delete" key to release.

Clicking, moving, dragging—these were elemental ways of interacting with machines, and also ways of understanding them. A mouse could burrow into folders and pull out data in its teeth.

For this testing, we used an older Apple Magic Mouse, which surprisingly posed some unique problems. You should be able to use any Apple device that can run iOS 13 or iPadOS.