HP Pavilion DV4-1000 Palmrest Touchpad 499080-001 486830-001 - 71CX2132002 HP Pavilion DV4-1000 Palmrest Touchpad 499080-001 486830-001 71CX2132002 Manufacturer: HP Part Number: 71CX2132002 MPN: 499080-001, 486830-001 Compatible Model: HP Pavilion DV4-1000