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 445 G9. Confirm the exact model on the service label before starting.
HP ProBook 445 14 inch G9 Notebook PC speaker replacement. HP prints this procedure on printed page 58 of its maintenance and service guide, and the spare-part table for this part is on printed page 20.
Tools and parts
- Screwdrivers and a non-marking pry tool as HP lists for this procedure
- Static-safe work surface
M21400-001- Speaker. Source: printed page 58.
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
- Get the machine ready for taking apart (the Preparation for disassembly section is on page 38). (printed page 41).
- Take the bottom cover off (the Bottom cover section is on page 38). (printed page 41).
- Take the battery out (the Battery section is on page 48). (printed page 52).
- Take the main board (the main board section is on page 55). (printed page 58).
- Undo the Phillips M2.0 × 2.0 fastener (1) that holds the speaker to the machine. (printed page 58).
- Lift the speaker up and out of the machine (2). While fitting the speaker, check which the rubber cap inside installed at the right end of the speaker (3). (printed page 58).
- Fit the replacement part by working back through the printed removal steps (printed page 58).
Part numbers in our catalog
- HP speaker kit M21400-001 (M21400-001)
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-445-14-inch-g9-speaker-replacement-p58