HP ProBook 640 G2 power button board replacement

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

On this page
  1. Applies to
  2. tools and parts
  3. preparation
  4. replacement
  5. 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 38–72). 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 power button board replacement. HP prints this procedure on printed page 71 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

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.

  1. Power the machine down. (printed page 38).
  2. Detach every external device wired to the machine. (printed page 39).

replacement

  1. Take the following parts out: a. Service door (the Service door section is on page 37). b. Take the battery out (the Battery section is on page 38) c. Hard drive (the Hard drive section is at page 39). d. Solid-state drive (see Solid-state drive (choose products only) at page 41). e. WWAN module (see WWAN module (choose products only) on page 42). (printed page 71).
  2. Fit the replacement part by working back through the printed removal steps (printed page 72).

Manufacturer manual

HP Maintenance and Service Guide (PDF, HP). Machine-readable copy: /api/guides/hp-probook-640-g2-power-button-board-replacement-p71

Key facts

HP document part number
839485-001
Model
HP ProBook 640 G2
Release year
2015
Screen size
14"
Printed pages
38–72