HP EliteBook 740 G1 WWAN module replacement

Step-by-step HP EliteBook 740 G1 WWAN module replacement rewritten in our own words from HP's Maintenance and Service Guide, with page citations.

Part you need704030-001HP HP lt4111 LTE/EV-DO/HSPA+ broadband module 704030-001 for the HP EliteBook 740 G1
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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 57–68). 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 740 G1. Confirm the exact model on the service label before starting.

HP EliteBook 740 G1 Notebook PC WWAN module replacement. HP prints this procedure on printed page 67 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
  • 704030-001 - HP lt4111 LTE/EV-DO/HSPA+ Mobile Broadband Module. Source: printed page 67.
  • 704031-001 - HP lt4112 LTE/HSPA+ Gobi 4G Module. Source: printed page 67.
  • 723895-001 - HP hs3110 HSPA+ Mobile Broadband Module. Source: printed page 67.

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. Power the machine down. If you cannot tell whether the machine is off or in Hibernation, turn the machine on, and after that shut it down through the operating system. (printed page 57).
  2. Cut the power from the machine by unplugging the power cord from the machine. (printed page 57).
  3. Detach every external device from the machine. (printed page 57).
  4. Take the battery out (the Battery section is on page 59). (printed page 67).
  5. Take the service cover off (the Service cover section is on page 57). (printed page 67).
  6. Detach the WWAN aerial leads (1) from the contacts on the WWAN module. (printed page 67).
  7. Take the Phillips PM2.0×3.0 fastener (2) that holds the WWAN module to the base enclosure. (printed page 67).
  8. Take the WWAN module (3) out by pulling the unit out of its slot. (printed page 68).
  9. Fit the replacement part by working back through the printed removal steps (printed page 68).

Parts this procedure uses

Manufacturer manual

HP Maintenance and Service Guide (PDF, HP). Machine-readable copy: /api/guides/hp-elitebook-740-g1-wwan-module-replacement-p67

Key facts

HP document part number
734761-003
Model
HP EliteBook 740 G1
Release year
2013
Screen size
14"
Printed pages
57–68

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