HP EliteBook 840 G6 power button board replacement

Step-by-step HP EliteBook 840 G6 power button board replacement rewritten in our own words from HP's Maintenance and Service Guide, with page citations.

Part you needL62738-001HP power button board L62738-001 for the HP EliteBook 840 G6
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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 57). 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 G6. Confirm the exact model on the service label before starting.

HP EliteBook 840 G6 Notebook PC power button board replacement. HP prints this procedure on printed page 57 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
  • L62738-001 - Power button board assembly (includes cable). Source: printed page 57.

Preparation

Save your work, shut the computer down through the operating system, unplug AC power and every external device, and work on a grounded, static-safe surface.

Replacement

  1. Shut down, unplug, remove the bottom cover, and detach the battery lead. (printed page 57).
  2. Take out the two Phillips screws in the right display hinge and swing the hinge aside. (printed page 57).
  3. Unplug the lead running to the power button board. (printed page 57).
  4. Remove the remaining Phillips screw and lift the board out. (printed page 57).

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-g6-notebook-pc-power-button-board-replacement-p57

Key facts

HP document part number
L54460-001
Model
HP EliteBook 840 G6
Release year
2019
Screen size
14"
Printed pages
57

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