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 wwan module replacement. HP prints this procedure on printed page 47 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
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 upside-down. (printed page 47).
- Detach the WWAN antenna cables from the terminals on the WWAN module. (printed page 47).
- Take out the one Phillips M2.5×3.0 screws that hold the WWAN module to the computer. (The edge (printed page 47).
- Take out the wwan module by drawing the module out of the slot at an angle. (printed page 48).
- Fit the replacement part by working back through the printed removal steps (printed page 48).
Manufacturer manual
HP Maintenance and Service Guide (PDF, HP). Machine-readable copy: /api/guides/hp-elitebook-850-g4-wwan-module-replacement-p47