If you accidentally uninstalled the touchpad from Device Manager and your touchpad is not working, you can reinstall it by ...

Update the touchpad driver on your PC by following these steps: Press the Windows key, type "Device Manager" and press Enter. Expand Human Interface Devices or Mice and other pointing devices.

Updating or reinstalling such touchpad drivers in Device Manager will likely resolve the problem. So, open Device Manager, find and right-click the outdated driver, and choose the Update driver ...

In the Device Manager window, expand Mice and other pointing devices and right-click on the touchpad entry. Choose Update Driver. Finally, choose Search automatically for drivers and follow the ...