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 keyboard replacement. HP prints this procedure on printed page 45 of its maintenance and service guide.
tools and parts
- Flat-bladed drivers, Phillips P0 and P1 drivers and Torx T8 drivers
- Static-safe work surface
- No spare part number for this component was found in the cached manual
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.
replacement
- Take out the 2 Phillips PM2.5×7.0 screws that hold the keyboard to the computer (1). (printed page 45).
- Insert a tool into access hole in bottom of computer (next to hard drive bay) and push to disengage keyboard from the top cover (2). (printed page 46).
- Lift top of keyboard upward (1), and then rotate keyboard until it rests on palm rest (2). (printed page 46).
- Detach keyboard cable by lifting connector latch (1), and then disconnect keyboard cable from the system board (2). (printed page 47).
- If applicable, disconnect backlight cable by lifting connector latch (3), and then disconnect cable from the system board (4). (printed page 47).
- Take off the keyboard (5). (printed page 47).
- Put the keyboard back by repeating the printed removal moves in the opposite order (printed page 47).
Part numbers in our catalog
- HP US keyboard with cable, no backlight (827028-001)
- HP US keyboard with cable, backlit (827029-001)
Check each part page for its source and variant notes before ordering.
Manufacturer manual
HP Maintenance and Service Guide (PDF, HP). Machine-readable copy: /api/guides/hp-probook-455-g4-keyboard-replacement