As you click, it highlights the respective button of your mouse. To test the functionality of the scroll wheel, it has two up and down arrows. These arrows are highlighted as you start scrolling ...

In this case, [Engineer Bo] was tired of endless and imprecise scrolling with a mouse wheel. No off-the-shelf ... 3D printing forms to test ergonomics, and finishing the prototype device.

This should help you rule out any issues caused by the USB hub. Test the scroll wheel again—hopefully, it will work properly now. Drivers are essential pieces of software that allow Windows to ...