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 G5. Confirm the exact model on the service label before starting.
HP EliteBook 850 G5 Notebook PC wwan module replacement. HP prints this procedure on printed page 45 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
845710-003- LTE CAT4: Huawei HP lt4132, LTE/HSPA+ w/GPS. Source: printed page 45.L15398-001- LTE CAT9: Fibocom Intel XMM 7360 LTE-Advanced. Source: printed page 45.
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 45).
- Detach the WWAN antenna cables from the terminals on the WWAN module. (printed page 45).
- Take out the Phillips M2.0×2.0 screw (printed page 45).
- Take out the wwan module by drawing the module out of the slot at an angle. (printed page 46).
- Fit the replacement part by working back through the printed removal steps (printed page 46).
Parts this procedure uses
- HP wireless card 845710-003 (845710-003)
- HP WWAN module, LTE CAT4 Huawei lT4210 L15398-001 (L15398-001)
Manufacturer manual
HP Maintenance and Service Guide (PDF, HP). Machine-readable copy: /api/guides/hp-elitebook-850-g5-wwan-module-replacement-p45