Hello,
Try these steps and see if that helps:
- Press Windows Key + X to open Win + X menu and select Control Panel from the list.
- When Control Panel opens, go to Hardware and Sound section and select Mouse.
- When Mouse settings window opens, you should see ELAN or Device Settings tab. Switch to it.
- Locate Disable internal pointing device when external USB pointing device is attached option and enable it.
- Click Apply and OK to save changes.
If issue still persists, try this:
- Open Registry Editor and go to HKEY_CURRENT_USER/Software/Elantech/Othersetting/DisableWhenDetectUSBMouse key in the left pane.
- Change the value from 0 to 1 and close Registry Editor.
Hope this helps!
Steps referenced from https://h30434.www3.hp.com/t5/Notebook-Video-Display-and-Touch/Where-is-the-setting-to-disable-the-Elan-touchpad/m-p/7053015#M189607.
Note: HP.com is a non-Microsoft website. The page appears to be providing accurate, safe information. Watch out for ads on the site that may advertise products frequently classified as a PUP (Potentially Unwanted Products). Thoroughly research any product advertised on the site before you decide to download and install it.