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 450 G3. Confirm the exact model on the service label before starting.
HP ProBook 450 G3 Notebook PC power button board replacement. HP prints this procedure on printed page 59 of its maintenance and service guide.
tools and parts
- Screwdrivers and a non-marking pry tool as HP lists for this procedure
- Static-safe work surface
827035-001- Power button board assembly. Source: printed page 59.828418-001- Power button board cable (included in Cable Kit). Source: printed page 59.
preparation
Save your work and shut the computer down through the operating system, unplug AC power and every external device, and work on a clean, grounded, ESD-protected surface while sorting each screw by its original location. Handle every cable by its connector and put each one back in its own place during reassembly.
- Position the top cover upside-down. (printed page 57).
replacement
- Detach the cable from the power button board (1). (printed page 59).
- Take out the Phillips PM2.0×3.0 screw that holds the board to the top cover. (printed page 59).
- Lift the right side of board (printed page 60).
- Fit the replacement part by working back through the printed removal steps (printed page 60).
Parts this procedure uses
- HP Power button board assembly 827035-001 (827035-001)
- HP Cable kit containing the battery connector cable 828418-001 (828418-001)
Manufacturer manual
HP Maintenance and Service Guide (PDF, HP). Machine-readable copy: /api/guides/hp-probook-450-g3-power-button-board-replacement-p59