HP Chromebook 14 G4 WLAN module replacement

Step-by-step HP Chromebook 14 G4 WLAN module replacement rewritten in our own words from HP's Maintenance and Service Guide, with page citations.

Part you need784645-005HP Wireless Card 784645-005 for the HP Chromebook 14 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 24–32). 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 Chromebook 14 G4. Confirm the exact model on the service label before starting.

HP Chromebook 14 G4 WLAN module replacement. HP prints this procedure on printed page 31 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
  • 784645-005 - Intel Dual Band Wireless-AC 7260 802.11 ac 2x2 WiFi + BT 4.0 Combo Adapter. Source: printed page 31.
  • 784647-005 - Intel Dual Band Wireless-N 7260AN 802.11 a/b/g/n 2x2 WiFi + BT 4.0 combo adaptor. Source: printed page 31.

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 24).
  2. Cut the power from the machine by unplugging the power cord from the machine. (printed page 24).
  3. Detach every external device from the machine. (printed page 24).
  4. Take the keyboard/top cover (the Keyboard/top cover section is on page 23). (printed page 27).
  5. Detach the battery lead from the main board (the Battery section is on page 42). (printed page 29).
  6. Detach the WLAN aerial leads (1) from the contacts on the WLAN module. (printed page 31).
  7. Undo the Phillips PM2.0×4.0 fastener (2) that holds the WLAN module to the machine. (The edge of the unit opposite the slot rises away from the machine.) (printed page 31).
  8. Take the WLAN module (3) by pulling the unit out of its slot at an angle. (printed page 32).
  9. Fit the replacement part by working back through the printed removal steps (printed page 32).

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-chromebook-14-g4-wlan-module-replacement-p31

Key facts

HP document part number
828939-001
Model
HP Chromebook 14 G4
Release year
2015
Screen size
14"
Printed pages
24–32

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