HP ZBook 15 G4 bottom cover replacement

Step-by-step HP ZBook 15 G4 bottom cover replacement rewritten in our own words from HP's Maintenance and Service Guide, with page citations.

Part you need928423-001HP bottom cover 928423-001 for the HP ZBook 15 G4
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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 32–36). 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 ZBook 15 G4. Confirm the exact model on the service label before starting.

HP ZBook 15 G4 Mobile Workstation bottom cover replacement. HP prints the spare part table for this procedure on printed page 36.

Tools and parts

  • Torx driver, Magnetic screwdriver and Phillips P0 and P1 screwdrivers
  • Static-safe work surface
  • 928423-001 - Bottom cover (includes SSD therrmal pad). Source: printed page 36.

Preparation

HP prints its tools list and its handling and electrostatic-discharge cautions on printed page 27. 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. Power the machine down. (printed page 32).
  2. Detach the power from the notebook by unplugging the power cord from the computer. (printed page 32).
  3. Detach all external devices from the computer. (printed page 32).
  4. Position the computer upside down. (printed page 36).
  5. Loosen the nine captive Torx screws that hold the bottom cover to the computer. (printed page 36).
  6. Lift the bottom cover off the computer (2). (printed page 36).
  7. Install the bottom cover by working back through the printed removal steps (printed page 36).

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-zbook-15-g4-bottom-cover-replacement-p36

Key facts

HP document part number
915575-001
Model
HP ZBook 15 G4
Release year
2017
Screen size
15.6"
Printed pages
32–36

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