HP 321 - Notebook PC Maintenance And Service Manual page 75

4. Remove the battery (see
5. Remove the service door (see
Remove the palm rest on 39.6-cm (15.6-in) computers:
1. Position the computer upside down with the front toward you.
2. Remove the two Torx M2.5×6.0 screws that secure the palm rest to the computer.
3. Turn the computer over and pull up (1) on the top edge of the palm rest nearest the keyboard.
With the palm rest at an angle, slide the unit (2) to release the latches at its base.
Battery on page 49).
Service door on page 49).
Component replacement procedures 65