HP EliteBook 820 G2 Notebook PC and HP EliteBook 720 G2 Notebook PC - Maintenance and Service Guide

8. Remove the ten Torx T8M2.5×6.5 screws that secure the top cover to the base enclosure.
9. Remove the following screws that secure the top cover to the base enclosure:
(1) One Phillips PM2.0×6.5 screw
(2) Three Phillips PM2.5×4.5 screws
(3) Two Phillips PM2.0×3.0 screws
10. Remove the two Phillips PM2.5×4.5 screws (1) that secure the top cover to the base enclosure.
Component replacement procedures 59