HP ZBook 15 G5 wwan module replacement

Step-by-step HP ZBook 15 G5 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 41–48). 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 ZBook 15 G5. Confirm the exact model on the service label before starting.

HP ZBook 15 G5 Mobile Workstation wwan module replacement. HP prints the spare part table for this procedure on printed page 47.

Tools and parts

  • Flat-bladed screwdriver, Magnetic screwdriver and Phillips P0 and P1 screwdrivers
  • Static-safe work surface
  • L15398-001 - HP lt4120 LTE/HSPA+ w/GPS M.2. Source: printed page 47.
  • 845710-003 - Macan ME906S LTE w/GPS M.2. Source: printed page 47.

Preparation

HP prints its tools list and its handling and electrostatic-discharge cautions on printed page 37. 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. Power the machine down. (printed page 41).
  2. Detach the power from the notebook by unplugging the power cord from the computer. (printed page 41).
  3. Detach all external devices from the computer. (printed page 41).
  4. Take off the bottom cover (see that procedure on page 41). (printed page 47).
  5. Detach the battery (see that procedure on page 43). (printed page 44).
  6. Detach the WWAN antenna cables from the terminals on the WWAN module. (printed page 47).
  7. Take out the Phillips PM2.0×3.25 screw that holds the WWAN module to the system board. (The (printed page 47).
  8. Take out the wwan module by drawing the module out of the slot at an angle. (printed page 47).
  9. Install the wwan module 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-zbook-15-g5-wwan-module-replacement-p47

Key facts

HP document part number
L23753-001
Model
HP ZBook 15 G5
Release year
2018
Screen size
15.6"
Printed pages
41–48