Labels: DOCUMENTED = taken from HP's manual; PROPOSED = our own joining or ordering of HP's directions, not an HP instruction; UNPERFORMED = a suggested check that has not been carried out.
Applies to
HP ProBook 455 G4. Confirm the exact model on the service label before starting.
HP ProBook 455 G4 Notebook PC function board replacement. HP prints this procedure on printed page 60 of its maintenance and service guide, and the spare-part table for this part is on printed page 60.
tools and parts
- Flat-bladed drivers, Phillips P0 and P1 drivers and Torx T8 drivers
- Static-safe work surface
preparation
HP prints its tools list and its handling and electrostatic-discharge cautions on printed page 27. Work on a grounded, static-safe surface, keep screws grouped by the position they came from, and handle boards and modules by their edges.
- Position the top cover upside-down. (printed page 56).
replacement
- Detach the cable from the plug on the function board (1). (printed page 60).
- Take out the Phillips PM2.0×3.0 screw that holds the board to the top cover. (printed page 60).
- Lift left side of board (3), and then slide board to the left to remove it off the top cover (4). (printed page 60).
- If you need to replace function board cable (printed page 61).
- Put the function board back by repeating the printed removal moves in the opposite order (printed page 61).
Manufacturer manual
HP Maintenance and Service Guide (PDF, HP). Machine-readable copy: /api/guides/hp-probook-455-g4-function-board-replacement