HP Compaq NW9440 NX9420 Touchpad with Cable 71B01832104 409952-001 HP Compaq NW9440 NX9420 Touchpad with Cable 71B01832104 409952-001 Manufacturer: HP Part Number: 409952-001 MPN: 71B01832104 Compatible Model: HP Compaq NW9440, NX9420