Source: steps rewritten in our own words (no more than 8 words in a row copied; part numbers, screw sizes and warnings kept as printed) from HP's Maintenance and Service Guide (PDF, printed pages 43). Not bench-tested. We have not performed this repair; keep HP's manual open for its illustrations. Scope restrictions below are part of the guide: do not apply it to other models, generations or configurations. Service manuals are written for trained technicians; work at your own risk.
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 840 G6. Confirm the exact model on the service label before starting.
HP EliteBook 840 G6 Notebook PC wwan module replacement. HP prints this procedure on printed page 43 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
L15398-002- Intel XMM 7360 LTE-Advanced (CAT 9). Source: printed page 43.L27188-002- Intel XMM 7560 LTE-Advanced Pro (CAT 16). Source: printed page 43.L35286-002- Intel XMM 7262 LTE-Advanced (CAT 6). Source: printed page 43.
Preparation
Save your work, shut the computer down through the operating system, unplug AC power and every external device, and work on a grounded, static-safe surface.
Replacement
- Shut down, unplug, remove the bottom cover, and detach the battery lead. (printed page 43).
- Turn the machine over so the WWAN card is easy to reach. (printed page 43).
- Detach the antenna leads from the card terminals. (printed page 43).
- Remove the securing screw and pull the card out of the slot at an angle. (printed page 43).
Parts this procedure uses
- HP wireless card L15398-002 (L15398-002)
- HP wireless card L27188-002 (L27188-002)
- HP wireless card L35286-002 (L35286-002)
Manufacturer manual
HP Maintenance and Service Guide (PDF, HP). Machine-readable copy: /api/guides/hp-elitebook-840-g6-notebook-pc-wwan-module-replacement-p43