HP EliteBook 840 G3 system board replacement

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

Part you need821167-001HP Smart card reader board with cable 821167-001 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. 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 73–74). 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 system board replacement. HP prints this procedure on printed page 73 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

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 following cables from the system board: Speaker cable Display cable Webcam cable (select products only) (printed page 73).
  2. On a 14” computer, remove 2 Phillips PM2.5×5.0 screws that hold the system board to the computer. (printed page 74).
  3. Lift right side of system board up at an angle (2). (printed page 74).
  4. Pull system board up and toward the right to take out it from the computer (3). (printed page 74).
  5. Put the system board back by repeating the printed removal moves in the opposite order (printed page 74).

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-system-board-replacement-p73

Key facts

HP document part number
831002-002
Model
HP EliteBook 840 G3
Release year
2015
Screen size
14"
Printed pages
73–74

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