I just bought a Lenovo Thinkpad W540 and installed Ubuntu on it, migrating from Mac OS. I notice that the trackpad on this computer is basically one big key that can be pressed anywhere on its surface, not just at the usual space allocated for buttons at the bottom of the trackpad. Under Ubuntu, the track pad seems poorly configured, and when I click the cursor tends to jump out of place. Is there a way to solve this issue?

Please let me know if I need to provide any further information regarding my system.

Thank you.