HP ProBook 640 G2 keyboard replacement

Step-by-step HP ProBook 640 G2 keyboard replacement rewritten in our own words from HP's Maintenance and Service Guide, with page citations.

Part you need840791-001HP keyboard (US) 840791-001 for the HP ProBook 640 G2
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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 49–51). 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 ProBook 640 G2. Confirm the exact model on the service label before starting.

HP ProBook 640 G2 Notebook PC keyboard replacement. HP prints this procedure on printed page 49 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
  • 840791-001 - Keyboard for 14" products (includes keyboard cable). Source: printed page 48.
  • 840800-001 - Backlit keyboard for 14" products (includes keyboard cable and backlight cable). Source: printed page 48.
  • 840801-001 - . Source: printed page 48.
  • 841136-001 - Keyboard for 15" products (includes keyboard cable). Source: printed page 48.
  • 841137-001 - Backlit keyboard for 15" products ( includes keyboard cable and backlight cable). Source: printed page 48.
  • 841145-001 - . Source: printed page 48.

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. Take out the 3 M 2x4L screws that hold the keyboard to the computer. (printed page 49).
  2. Position the computer open and on its side. (printed page 49).
  3. Gently insert a Torx screwdriver or other blunt instrument into the keyboard release opening under the memory (printed page 50).
  4. Rotate the keyboard downward onto the top cover (1) (printed page 50).
  5. Take off the keyboard (8). (printed page 51).
  6. Fit the replacement part by working back through the printed removal steps (printed page 51).

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-probook-640-g2-keyboard-replacement-p49

Key facts

HP document part number
839485-001
Model
HP ProBook 640 G2
Release year
2015
Screen size
14"
Printed pages
49–51

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