HP ProBook 4740s Notebook PC Maintenance and Service Guide

2. Disconnect the power cable (1), display cable (2), and the USB connector cable (3) from the
system board.
3. If necessary, disconnect the battery connector cable from the system board (1).
4. Remove the four Phillips PM2.5×4.0 screws (2) that secure the system board to the computer.
5. Lift the right side of the system board up at an angle (3).
6. Pull the system board up and toward the right to remove it from the computer (4).
Reverse this procedure to install the system board.
72 Chapter 4 Removal and replacement procedures