HP ProBook 4430s, 4431s, 4330s and 4331s Notebook PCs - Maintenance and Service Guide

4. Lift the side of the board (3), slide it out from under the tab, and then remove the board from the
top cover (4).
5. Remove the Phillips PM2.0×3.0 screw (1) that secures the board to the top cover.
90 Chapter 4 Removal and replacement procedures