HP ProBook 440 Notebook PC and HP ProBook 445 G2 Notebook PC - Maintenance and Service Guide

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Memory modules (see Memory modules on page 41)
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WLAN/Bluetooth module (see WLAN/Bluetooth combo card on page 45)
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WWAN module (see WWAN module on page 47)
Remove the system board:
1. Position the computer upright with the front toward you.
2. Disconnect the following cables from the system board:
(1) Power connector cable
(2) Display cable
(3) Battery connector cable
3. Remove the 3 Phillips PM2.5×4.0 screws (1) that secure the system board and the broadhead Phillips
PM2.0×3.0 screw (2) that secures the optical drive extension board to the computer.
4. Lift the right side of the system board up at an angle (3).
74 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts