HP Chromebook 15 usb board replacement

Step-by-step HP Chromebook 15 usb board replacement rewritten in our own words from HP's Maintenance and Service Guide, with page citations.

Part you needL54804-001HP USB board, does not include cable L54804-001 for the HP Chromebook 15
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On this page
  1. Applies to
  2. Tools and parts
  3. Preparation
  4. Replacement
  5. Parts this procedure uses
  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 28–29). 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 15. Confirm the exact model on the service label before starting.

HP Chromebook 15 usb board replacement. HP prints this procedure on printed page 28 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
  • L54804-001 - USB board. Source: printed page 28.
  • L54805-001 - USB board cable (30 pin). Source: printed page 28.
  • L54806-001 - USB board cable (40 pin). Source: printed page 28.

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. Detach the 30-pin lead from the ZIF plug on the top of the USB board (1). (printed page 28).
  2. Take out the Phillips M2.0 × 4.0 screw that holds the USB board bracket to the computer. (printed page 28).
  3. Take out the two broadhead Phillips M2.0 × 2.0 screws that hold the USB board to the computer. (printed page 28).
  4. Raise as well as rotate the board upside downward to access the connector underneath (4). (printed page 28).
  5. Free the ZIF plug at the bottom of the USB board (1), and after that detach the 40-pin lead (2). 28 Section 5 Removal as well as replacement procedures for authorized service provider parts (printed page 28).
  6. Take out the USB board (3). (printed page 29).
  7. Fit the replacement part by working back through the printed removal steps (printed page 29).

Parts this procedure uses

Manufacturer manual

HP Maintenance and Service Guide (PDF, HP). Machine-readable copy: /api/guides/hp-chromebook-15-usb-board-replacement-p28

Key facts

HP document part number
L51892-001
Model
HP Chromebook 15
Release year
2019
Screen size
15.6"
Printed pages
28–29

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