HP ProBook 450 G3 wwan module replacement

Step-by-step HP ProBook 450 G3 wwan module replacement rewritten in our own words from HP's Maintenance and Service Guide, with page citations.

Part you need812954-001HP LT4110 LTE/HSPA+ mobile broadband module 812954-001 for the HP ProBook 450 G3
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On this page
  1. Applies to
  2. Tools and parts
  3. Preparation
  4. Replacement
  5. Parts this procedure uses
  6. 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 45–46). 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 ProBook 450 G3. Confirm the exact model on the service label before starting.

HP ProBook 450 G3 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
  • 812954-001 - HP lt4110 LTE/HSPA+ Intel Mobile Broadband Module. Source: printed page 45.
  • 822828-001 - HP hs3110 HSPA+ Intel Mobile Broadband Module. 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

  1. Detach the WWAN antenna cables from the terminals on the WWAN module. (printed page 45).
  2. Take out the Phillips PM2.0×4.0 screw (printed page 45).
  3. Take out the wwan module by drawing the module out of the slot at an angle. (printed page 46).
  4. Fit the replacement part by working back through the printed removal steps (printed page 46).

Parts this procedure uses

Manufacturer manual

HP Maintenance and Service Guide (PDF, HP). Machine-readable copy: /api/guides/hp-probook-450-g3-wwan-module-replacement-p45

Key facts

HP document part number
824660-001
Model
HP ProBook 450 G3
Release year
2015
Screen size
15.6"
Printed pages
45–46