Hi RICHARD1221,

Thank you for writing to Dell Community forum.

Please confirm if an external mouse works fine.

Please private message us the service tag of the system along with your email id along with the picture of the touch pad.

(Note: please don't mention the service tag or email id on the public forum as it contains your personal information).

Regards,
DELL-Akshatha M
Social Media and Community Professional
#IWork4Dell