HP ProBook 640 G2 system board replacement

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

Part you need840712-001HP System board, discrete memory, Intel i5-6300U, WWAN capabili 840712-001 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 59). 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 system board replacement. HP prints this procedure on printed page 59 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
  • 844346-601 - UMA memory, Intel i7-6820HQ processor, and WWAN capability, and Windows. Source: printed page 59.

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 the machine and remove every peripheral device. (printed page 59).
  2. Take out the parts HP lists as prerequisites for the system board. (printed page 59).
  3. Undo the board screws and the connector latches, then lift the board clear. (printed page 59).

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-notebook-pc-system-board-replacement-p59

Key facts

HP document part number
839485-001
Model
HP ProBook 640 G2
Release year
2015
Screen size
14"
Printed pages
59