Solved: Touchpad not scrolling - HP Support Community
https://h30434.www3.hp.com/t5/Gaming-Notebooks/Touchpad-not-scrolling/td-p/7346705
Touchpad not scrolling Open Start. Search for Device Manager, click the top result to open the experience. Expand the Mice and other pointing devices branch. Right-click the mouse that you're using, and select the Properties option. Click on the Details tab. Use the "Property" drop-down menu and choose the Device instance path option. Note the VID ID value for the mouse — for example, VID_0E0F&PID_0003&MI_01.
Open Start.
Search for Device Manager, click the top result to open the experience.
Expand the Mice and other pointing devices branch.
Right-click the mouse that you're using, and select the Properties option.
Click on the Details tab.
Use the "Property" drop-down menu and choose the Device instance path option.
Note the VID ID value for the mouse — for example, VID_0E0F&PID_0003&MI_01.
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