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 440 G3. Confirm the exact model on the service label before starting.
HP ProBook 440 G3 Notebook PC power button board replacement. HP prints this procedure on printed page 53 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
826387-001- Power button board assembly. Source: printed page 53.826399-001- Power button board cable (included in Cable Kit). Source: printed page 53.
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 51).
replacement
- Detach the cable from the board (1). (printed page 53).
- Take out the Phillips PM2.0×3.0 screw that holds the power button board to the top cover. (printed page 53).
- Lift left side of the board (printed page 53).
- Fit the replacement part by working back through the printed removal steps (printed page 53).
Parts this procedure uses
- HP Power button board assembly 826387-001 (826387-001)
- HP Display and webcam cable, part of the cable kit 826399-001 (826399-001)
Manufacturer manual
HP Maintenance and Service Guide (PDF, HP). Machine-readable copy: /api/guides/hp-probook-440-g3-power-button-board-replacement-p53