HP EliteBook 840 G2 touchpad replacement

Step-by-step HP EliteBook 840 G2 touchpad replacement rewritten in our own words from HP's Maintenance and Service Guide, with page citations.

Part you need797437-001HP touchpad 797437-001 for the HP EliteBook 840 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 88–89). 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 G2. Confirm the exact model on the service label before starting.

HP EliteBook 840 G2 Notebook PC touchpad replacement. HP prints this procedure on printed page 88 of its maintenance and service guide.

tools and parts

  • Flat-bladed drivers, Magnetic drivers and Phillips P0 and P1 drivers
  • Static-safe work surface
  • No spare part number for this component was found in the cached manual
  • 838525-001 - For use only on HP EliteBook 840 G2 Notebook PC and HP EliteBook 740 G2 Notebook PC computer models equipped with an NFC module v.1.7 (includes NFC module cable and antenna). Source: printed page 88.
  • 799301-001 - For use only on HP EliteBook 840 G2 Notebook PC and HP EliteBook 740 G2 Notebook PC computer models equipped with an NFC module (includes NFC module cable). Source: printed page 88.
  • 797437-001 - For use only on HP EliteBook 840 G2 Notebook PC and HP EliteBook 740 G2 Notebook PC computer models not equipped with an NFC module. Source: printed page 88.
  • 798048-001 - For use only on HP ZBook 14 G2 Mobile Workstation computer models equipped with an NFC module (includes NFC module cable). Source: printed page 88.
  • 797438-001 - For use only on HP ZBook 14 G2 Mobile Workstation computer models not equipped with an NFC module. Source: printed page 88.

preparation

HP prints its tools list and its handling and electrostatic-discharge cautions on printed page 51. Work on a grounded, static-safe surface, keep screws grouped by the position they came from, and handle boards and modules by their edges.

replacement

  1. Let go of the ZIF connector to which the TouchPad cable is connected (printed page 88).
  2. Take out the two Phillips PM2.0×2.0 broad head screws that hold the TouchPad to the top cover. (printed page 88).
  3. Lift top edge of TouchPad until it rests at an angle (3). (printed page 88).
  4. Take out the TouchPad by sliding it away from the top panel at an angle. (printed page 89).
  5. Put the touchpad back by repeating the printed removal moves in the opposite order (printed page 89).

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-g2-touchpad-replacement-p88

Key facts

HP document part number
781074-002
Model
HP EliteBook 840 G2
Release year
2015
Screen size
14"
Printed pages
88–89

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