HP ProBook 640 G2 display assembly components replacement

Step-by-step HP ProBook 640 G2 display assembly components 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 83–87). 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 display assembly components replacement. HP prints this procedure on printed page 83 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.

Replacement

  1. Place the machine upright, with the front toward you. (printed page 83).
  2. Open the machine as far as possible. (printed page 83).
  3. If it is necessary to replace the screen bezel: a. Close the machine, place it so you can access the lower of the screen, and after that open the machine slightly. b. Flex the interior edges of the upper rim (1), the left as well as right sides (2), as well as the bottom edge (3) of the screen bezel until the bezel disengages from the screen enclosure. The screen bezel is available using spare part number 840658-001. (printed page 83).
  4. If it is necessary to replace the screen panel: a. Take the four M2x3L P1 fasteners that hold the screen panel to the screen enclosure. ● 781959-001—35.6-cm (14.0-in), LED, AntiGlare screen panel, UWVA ● 784476-001—35.6-cm (14.0-in), LED, AntiGlare screen panel, SVA HD+ (printed page 83).
  5. If it is needed to replace the hinge brackets, take the M2.5x2.5L P1 fasteners from each side (1), and after that take the hinge brackets (2). (printed page 85).
  6. If it is necessary to replace the WLAN aerial leads, take the 3 fasteners from each side (1), and after that take the WLAN aerial leads (2). (printed page 85).
  7. If it is necessary to replace the WWAN aerial leads (choose products only, take the 3 fasteners from each side (1), and after that take the WWAN aerial leads (2). (printed page 86).
  8. If it is needed to replace the webcam: a. Detach the lead (1) out of the webcam. b. Detach the webcam (2) out of the screen enclosure. The webcam unit is available using spare part number 840722-001. (printed page 86).
  9. If it is needed to replace the microphone board: a. Detach the lead (1) from the microphone board. (printed page 86).
  10. Fit the replacement part by working back through the printed removal steps (printed page 87).

Manufacturer manual

HP Maintenance and Service Guide (PDF, HP). Machine-readable copy: /api/guides/hp-probook-640-g2-display-assembly-components-replacement-p83

Key facts

HP document part number
839485-001
Model
HP ProBook 640 G2
Release year
2015
Screen size
14"
Printed pages
83–87

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