HP EliteBook 850 G3 wwan module replacement

Step-by-step HP EliteBook 850 G3 wwan module replacement rewritten in our own words from HP's Maintenance and Service Guide, with page citations.

On this page
  1. Applies to
  2. tools and parts
  3. preparation
  4. replacement
  5. Manufacturer manual
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 48–49). 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 850 G3. Confirm the exact model on the service label before starting.

HP EliteBook 850 G3 Notebook PC wwan module replacement. HP prints this procedure on printed page 48 of its maintenance and service guide, and the spare-part table for this part is on printed page 48.

tools and parts

  • Phillips P0 drivers
  • Static-safe work surface

preparation

HP prints its tools list and its handling and electrostatic-discharge cautions on printed page 30. Work on a grounded, static-safe surface, keep screws grouped by the position they came from, and handle boards and modules by their edges.

replacement

  1. Position the computer upside-down. (printed page 48).
  2. Detach the WWAN antenna cables from the terminals on the WWAN module. (printed page 48).
  3. Take out the one Phillips PM2.5×3.0 screws that hold the WWAN module to the computer. (printed page 48).
  4. Take out WWAN module by pulling module away from the slot at an angle. (printed page 49).
  5. Put the wwan module back by repeating the printed removal moves in the opposite order (printed page 49).

Manufacturer manual

HP Maintenance and Service Guide (PDF, HP). Machine-readable copy: /api/guides/hp-elitebook-850-g3-wwan-module-replacement-p48

Key facts

HP document part number
831002-002
Model
HP EliteBook 850 G3
Release year
2015
Screen size
15.6"
Printed pages
48–49