HP EliteBook 820 G2 TouchPad replacement

Step-by-step HP EliteBook 820 G2 TouchPad replacement rewritten in our own words from HP's Maintenance and Service Guide, with page citations.

Part you need781859-001HP TouchPad with cable for models without NFC 781859-001 for the HP EliteBook 820 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 37–69). 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 820 G2. Confirm the exact model on the service label before starting.

HP EliteBook 820 G2 Notebook PC and TouchPad replacement. HP prints this procedure on printed page 68 of its maintenance and service guide, and the spare-part table for this part is on printed page 68.

Tools and parts

  • Screwdrivers and a non-marking pry tool as HP lists for this procedure
  • Static-safe work surface
  • 781859-001 - TouchPad for use in models without NFC (includes cable). Source: printed page 68.

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. Power the machine down. If you cannot tell whether the machine is off or in Hibernation, turn the machine on, and after that shut it down through the operating system. (printed page 37).
  2. Cut the power from the machine by unplugging the power cord from the machine. (printed page 37).
  3. Detach every external device from the machine. (printed page 37).
  4. Take the service cover off (the Service cover section is on page 37), and after that take the following parts out: a. Battery (the Battery section is on page 39) b. Hard drive (the Hard drive/solid-state drive section is on page 41) c. Keyboard (the Keyboard section is on page 50) d. Top cover (the Top cover section is on page 57) (printed page 61).
  5. Rotate the upper cover upside down with the front toward you. (printed page 68).
  6. Free the ZIF connector (1) that carries the TouchPad lead is attached, and after that detach the TouchPad lead from the card reader board. (printed page 68).
  7. Take the two Philllips PM2.0×3.25 fasteners (2) that hold the TouchPad to the top cover. (printed page 68).
  8. Take the TouchPad and lead (3). (printed page 68).
  9. Fit the replacement part by working back through the printed removal steps (printed page 69).

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-820-g2-notebook-pc-and-touchpad-replacement-p68

Key facts

HP document part number
791152-002
Model
HP EliteBook 820 G2
Release year
2015
Screen size
12.5"
Printed pages
37–69

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