HP ProBook 4545s Notebook PC Maintenance and Service Guide

3. Remove the following screws that secure the top cover to the computer:
(1) Two Phillips PM2.0×4.0 screws from the optical drive bay
(2) Three Phillips PM2×2 broadhead screws from the battery bay
4. Turn the computer upright and open it as far as possible.
5. Remove the 2 Torx T8M2.5×6.0 screws that secure the top cover to the computer.
60 Chapter 4 Removal and replacement procedures