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 640 G2. Confirm the exact model on the service label before starting.
HP ProBook 640 G2 Notebook PC audio board replacement. HP prints this procedure on printed page 39 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
840692-001- Audio board. Source: printed page 78.
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
- Power the machine down. (printed page 37).
- Detach the power from the notebook by unplugging the power cord from the computer. (printed page 37).
- Detach all external devices from the computer. (printed page 37).
- Take out the following components: (printed page 39).
Parts this procedure uses
- HP Audio board with cable 840692-001 (840692-001)
Manufacturer manual
HP Maintenance and Service Guide (PDF, HP). Machine-readable copy: /api/guides/hp-probook-640-g2-audio-board-replacement-p39