HP Elite c640 14 inch G3 Chromebook usb board replacement

Step-by-step HP Elite c640 14 inch G3 Chromebook usb board replacement rewritten in our own words from HP's Maintenance and Service Guide, with page citations.

Part you needN13680-001HP Cable N13680-001 for the HP Elite c640 14 inch G3 Chromebook
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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 39–40). 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 Elite c640 14 inch G3 Chromebook. Confirm the exact model on the service label before starting.

HP Elite c640 14 inch G3 Chromebook™ usb board replacement. HP prints this procedure on printed page 39 of its maintenance and service guide, and the spare-part table for this part is on printed page 14.

tools and parts

  • Tweezers, Nonconductive, nonmarking pry tool and Magnetic Phillips P1 drivers
  • Static-safe work surface
  • N13678-001 - USB board for use in models with WWAN. Source: printed page 38.
  • N13679-001 - USB board for use in models with WLAN. Source: printed page 38.
  • N13680-001 - USB board cable for use in models with WWAN. Source: printed page 38.
  • N13681-001 - USB board cable for use in models with WLAN. Source: printed page 39.
  • N12921-001 - USB board bracket (available in the Bracket Kit). Source: printed page 39.

preparation

HP prints its tools list and its handling and electrostatic-discharge cautions on printed page 19. Its preparation for disassembly is on printed page 28: power the unit down through the operating system, unplug the power cord and detach every external device before opening it. 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. If installed, remove the silver tape covers the USB bracket (1). (printed page 39).
  2. Take out the two Phillips M2.0 × 3.0 screws that hold the bracket, and then remove the bracket (3). (printed page 39).
  3. (WWAN models only) Take out SIM card from slot on the side of the computer (1). (printed page 39).
  4. Take out the Phillips M2.0 × 2.5 screw that holds the metal clip, and then remove the clip. (printed page 39).
  5. Lift clear plastic so you can access connectors and screws on the USB board (1). (printed page 40).
  6. Detach the right speaker cable from the board (2). (printed page 40).
  7. Detach cables from reverse ZIF connectors on the board (3). (printed page 40).
  8. Take out the three Phillips M2.0 × 2.5 screws that hold the board. (printed page 40).
  9. Lift the board out of the computer (5). (printed page 40).

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-elite-c640-14-inch-g3-chromebook-usb-board-replacement-p39

Key facts

HP document part number
N17284-001
Model
HP Elite c640 14 inch G3 Chromebook
Release year
2022
Screen size
14"
Printed pages
39–40

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