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 EliteBook 850 G4. Confirm the exact model on the service label before starting.
HP EliteBook 850 G4 Notebook PC usb/audio board replacement. HP prints this procedure on printed page 64 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
916923-001- USB/audio board. Source: printed page 64.
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
- Detach the cable from the system board (1). (printed page 64).
- Take out the 2 Phillips M2.5×5.0 screws that hold the USB/audio board to the computer. (printed page 64).
- Lift up rear side of the board (printed page 64).
- Fit the replacement part by working back through the printed removal steps (printed page 64).
Part numbers in our catalog
- HP power button board (914750-001)
- HP USB/audio board (with cable) (916923-001)
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-elitebook-850-g4-usb-audio-board-replacement-p64