HP ProBook 440 G3 Notebook PC - Maintenance and Service Guide

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M.2 solid-state drive (see M.2 solid-state drive on page 41)
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Heat sink (see Heat sink assembly on page 66)
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) Speaker cable
(4) Battery connector cable
3. Remove the 4 Phillips PM2.5×5.0 screws (1) that secure the system board to the computer.
Component replacement procedures 61