HP EliteBook 820 G4 wlan module replacement

Step-by-step HP EliteBook 820 G4 wlan module replacement rewritten in our own words from HP's Maintenance and Service Guide, with page citations.

Part you need852511-001HP WLAN module (Intel Dual Band Wireless-AC 3168) for the HP EliteBook 820 G4
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On this page
  1. Applies to
  2. Tools and parts
  3. Preparation
  4. Replacement
  5. Part numbers in our catalog
  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 42–43). 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 820 G4. Confirm the exact model on the service label before starting.

HP EliteBook 820 G4 Notebook PC wlan module replacement. HP prints this procedure on printed page 42 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
  • 851592-001 - Intel Dual band wireless-AC 8265 802.11AC 2x2 WiFi + BT 4.2 Combo Adaptor (vPro). Source: printed page 42.
  • 851594-001 - Intel Dual band wireless-AC 8265 802.11AC 2x2 WiFi + BT 4.2 Combo Adaptor (non-vPro). Source: printed page 42.
  • 852511-001 - Intel Dual band wireless-AC 3168 802.11AC 1x1 WiFi + BT 4.2 Combo Adaptor (non-vPro). Source: printed page 42.

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 WLAN antenna cables from the terminals on the WLAN module. (printed page 42).
  2. Take out the one Phillips M2.5×3.0 screw that holds the WLAN module to the computer. (The edge (printed page 42).
  3. Take out the wlan module by drawing the module out of the slot at an angle (3). (printed page 43).
  4. Fit the replacement part by working back through the printed removal steps (printed page 43).

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-820-g4-wlan-module-replacement-p42

Key facts

HP document part number
913445-001
Model
HP EliteBook 820 G4
Release year
2016
Screen size
12.5"
Printed pages
42–43

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