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 speaker assembly replacement. HP prints this procedure on printed page 76 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
828420-001- Speaker assembly. Source: printed page 76.
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.
Replacement
- Position the computer upright. (printed page 76).
- Detach the speaker cable from the system board (1). (printed page 76).
- Take out the Phillips PM2.0×5.0 screw that holds the left speaker to the computer. (printed page 76).
- Lift the speakers off the top cover (3). (printed page 77).
- Fit the replacement part by working back through the printed removal steps (printed page 77).
Part numbers in our catalog
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-450-g3-speaker-assembly-replacement-p76