HP ProBook 440 G3 Maintenance And Service Manual page 61

5. Disconnect the following cables from the system board:
(1): Fan cable
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● (2): Function board cable
(3): Fingerprint reader cable
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● (4): Card reader board cable
6. Remove the 5 Torx T8M2.5×6.0 screws from the top cover.
Component replacement procedures 49