HP Chromebook 11A G8 Education Edition touchpad cable replacement

Step-by-step HP Chromebook 11A G8 Education Edition touchpad cable replacement rewritten in our own words from HP's Maintenance and Service Guide, with page citations.

Part you needL99224-001HP touchpad L99224-001 for the HP Chromebook 11A G8 Education Edition
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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 25–28). 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 Chromebook 11A G8 Education Edition. Confirm the exact model on the service label before starting.

HP Chromebook 11A G8 Education Edition touchpad cable replacement. HP prints this procedure on printed page 28 of its maintenance and service guide, and the spare-part table for this part is on printed page 28.

tools and parts

  • Screwdrivers and a non-marking pry tool as HP lists for this procedure
  • Static-safe work surface
  • L99224-001 - In chalkboard gray finish. Source: printed page 29.
  • L92823-001 - In dark sage gray finish. Source: printed page 29.

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. If you are unsure whether the machine is off or in Hibernation, turn the machine on, and after that shut it down through the operating system. (printed page 25).
  2. Detach every external device wired to the machine. (printed page 25).
  3. Cut the power by pulling the cord out of the wall outlet, and after that unplugging the AC adapter from the machine. (printed page 25).

replacement

  1. Take the keyboard/top cover (the Keyboard/top cover section is on page 24). (printed page 28).
  2. Rotate the keyboard/upper cover upside down with the front toward you. (printed page 28).
  3. Take the pad (1) that holds the touchpad lead to the keyboard/top cover. (printed page 28).
  4. Free the ZIF connector (2) to which the touchpad lead is connected, and after that detach the touchpad lead from the touchpad. (printed page 28).
  5. Take the touchpad lead (3). (printed page 28).
  6. Fit the replacement part by working back through the printed removal steps (printed page 28).

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-chromebook-11a-g8-education-edition-touchpad-cable-replacement-p28

Key facts

HP document part number
L99577-001
Model
HP Chromebook 11A G8 Education Edition
Release year
2020
Screen size
11.6"
Printed pages
25–28

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