HP ProBook 430 G2 Maintenance And Service Manual page 61

5. Remove the 8 Torx T8M2.5×6.0 screws from the top of the top cover.
6. Disconnect the following cables from the system board:
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(1): Power button board cable
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(2): Touchpad board cable
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(3): Fingerprint reader cable
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(4): Function board cable
Component replacement procedures 49