HP EliteBook 840 G6 system board replacement

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

Part you needL62755-xx1HP ● Intel i7-8665U processor L62755-xx1 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. 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 66). 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 system board replacement. HP prints this procedure on printed page 66 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
  • L62755-xx1 - Intel i7-8665U processor. Source: printed page 66.
  • L62756-xx1 - Intel i7-8665U processor (OSR). Source: printed page 66.
  • L62753-xx1 - Intel i7-8565U processor. Source: printed page 66.
  • L62754-xx1 - Intel i5-8365U processor. Source: printed page 66.
  • L62752-xx1 - Intel i5-8265U processor. Source: printed page 66.
  • L62760-001 - Intel i7-8665U processor. Source: printed page 66.
  • L62761-001 - Intel i7-8665U processor (OSR). Source: printed page 66.
  • L62758-001 - Intel i7-8565U processor. Source: printed page 66.
  • L62759-001 - Intel i5-8365U processor. Source: printed page 66.
  • L62757-xx1 - Intel i5-8265U processor. Source: printed page 66.

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, and remove the bottom cover, battery, keyboard, RJ-45 board, and fan. (printed page 66).
  2. Stand the machine upright and open it wide, then take out the three Phillips screws. (printed page 66).
  3. Turn the machine back over and unplug the cables the guide lists from the system board. (printed page 66).
  4. Take out the five remaining Phillips screws, then lift the right edge up and draw the board free. (printed page 66).

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-elitebook-840-g6-notebook-pc-system-board-replacement-p66

Key facts

HP document part number
L54460-001
Model
HP EliteBook 840 G6
Release year
2019
Screen size
14"
Printed pages
66