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

i. Keyboard (see Keyboard on page 64)
j. Top cover (see
Top cover on page 72)
Remove the display assembly:
1. Position the computer upright with the front toward you.
2. Open the computer as far as possible.
3. If necessary, disconnect the display cable (1) and webcam cable (2) from the system board.
4. Remove the two Phillips PM2.5×4.0 screws (1) that secure the security bracket to the computer,
and then lift the security bracket from the computer (2).
The security bracket is available using spare part number 646367-001 for 4330s/4331s models
and 646368-001 for 4430s/4431s models.
5. Remove the two Phillips PM2.5×4.0 screws (3) from the left hinge and the Phillips PM2.5×4.0
screw (4) from the right hinge.
104 Chapter 4 Removal and replacement procedures