HP EliteBook 840 G3 wlan module replacement

Step-by-step HP EliteBook 840 G3 wlan module replacement rewritten in our own words from HP's Maintenance and Service Guide, with page citations.

Part you need806723-001HP Intel 3165 combo card, 802.11ac 1x1 BT 4.0 806723-001 for the HP EliteBook 840 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. Part numbers in our catalog
  7. 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 46–47). 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 G3. Confirm the exact model on the service label before starting.

HP EliteBook 840 G3 Notebook PC wlan module replacement. HP prints this procedure on printed page 46 of its maintenance and service guide.

tools and parts

  • Phillips P0 drivers
  • Static-safe work surface
  • No spare part number for this component was found in the cached manual
  • 806723-001 - Intel Dual Band Wireless-AC 3165 802.11ac 1x1 WiFi + BT 4.0 combo adapter (not available on mobile workstation). Source: printed page 46.
  • 806721-001 - Intel Dual Band Wireless-AC 8260NGW 802.11a/g/g/n+ac 2x2 WiFi + BT 4.2 combo adapter. Source: printed page 46.
  • 806722-001 - Intel Dual Band Wireless-AC 8260NGW 802.11a/b/g/n+ac non-vPro 2x2 WiFi + BT 4.2 combo adapter. Source: printed page 46.

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. Detach the WLAN antenna cables from the terminals on the WLAN module. (printed page 46).
  2. Take out the one Phillips PM2.5×3.0 screw that holds the WLAN module to the computer. (printed page 46).
  3. Take out WLAN module by pulling module away from the slot at an angle. (printed page 47).
  4. Put the wlan module back by repeating the printed removal moves in the opposite order (printed page 47).

Parts this procedure uses

Part numbers in our catalog

Check each part page for its source and variant notes before ordering.

Manufacturer manual

HP Maintenance and Service Guide (PDF, HP). Machine-readable copy: /api/guides/hp-elitebook-840-g3-wlan-module-replacement-p46

Key facts

HP document part number
831002-002
Model
HP EliteBook 840 G3
Release year
2015
Screen size
14"
Printed pages
46–47

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