HP EliteBook 840 G7 touchpad replacement

Step-by-step HP EliteBook 840 G7 touchpad replacement rewritten in our own words from HP's Maintenance and Service Guide, with page citations.

Part you needM07109-001HP Includes NFC antenna M07109-001 for the HP EliteBook 840 G7
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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 45–52). 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 G7. Confirm the exact model on the service label before starting.

HP EliteBook 840 G7 Notebook PC touchpad replacement. HP prints this procedure on printed page 51 of its maintenance and service guide, and the spare-part table for this part is on printed page 51.

tools and parts

  • Screwdrivers and a non-marking pry tool as HP lists for this procedure
  • Static-safe work surface
  • M07106-001 - Touchpad button board. Source: printed page 51.
  • M07109-001 - Touchpad with NFC antenna. Source: printed page 51.

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. Get the machine ready for taking apart (the Preparation for disassembly section is on page 33). (printed page 45).
  2. Take the bottom cover off (the Bottom cover section is on page 33). (printed page 45).
  3. Take the battery out (the Battery section is on page 43). (printed page 45).

replacement

  1. Detach the main board lead from the ZIF connector on the touchpad (1). (printed page 51).
  2. Detach the middle lead from the ZIF connector on the touchpad (2). (printed page 51).
  3. Detach the touchpad button board lead from the ZIF connector on the touchpad (3). (printed page 51).
  4. Detach the lead from the ZIF connector on the main board (4). (printed page 51).
  5. Take the four Phillips M1.6 × 1.8 fasteners (5) that hold the touchpad to the machine. (printed page 51).
  6. Lift the metal tape (6), and after that take the touchpad from the machine (7). (printed page 52).
  7. Detach the lead out of the reverse ZIF connector at the NFC module (1). (printed page 52).
  8. Peel the main board lead from the side of the touchpad (2). (printed page 52).
  9. Take the five Phillips M1.6 × 1.8 fasteners (3) that hold the touchpad to the machine. (printed page 52).
  10. Take the touchpad from the machine (4). (printed page 52).
  11. Fit the replacement part by working back through the printed removal steps (printed page 52).

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-g7-touchpad-replacement-p51

Key facts

HP document part number
M02978-001
Model
HP EliteBook 840 G7
Release year
2020
Screen size
14"
Printed pages
45–52

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