HP ZBook 15 G5 power button board replacement

Step-by-step HP ZBook 15 G5 power button board replacement rewritten in our own words from HP's Maintenance and Service Guide, with page citations.

On this page
  1. Applies to
  2. Tools and parts
  3. Preparation
  4. Replacement
  5. 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 41–77). 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 G5. Confirm the exact model on the service label before starting.

HP ZBook 15 G5 Mobile Workstation power button board replacement. HP prints the spare part table for this procedure on printed page 77.

Tools and parts

  • Flat-bladed screwdriver, Magnetic screwdriver and Phillips P0 and P1 screwdrivers
  • Static-safe work surface
  • L28705-001 - Power button board. Source: printed page 77.

Preparation

HP prints its tools list and its handling and electrostatic-discharge cautions on printed page 37. 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 41).
  2. Detach the power from the notebook by unplugging the power cord from the computer. (printed page 41).
  3. Detach all external devices from the computer. (printed page 41).
  4. Take out the service door (see that procedure on page 41). (printed page 43).
  5. Detach the battery (see that procedure on page 43). (printed page 44).
  6. Take out the hard drive (see that procedure on page 45). (printed page 55).
  7. Take off the keyboard (see that procedure on page 53). (printed page 67).
  8. Take off the bottom cover (see that procedure on page 55). (printed page 57).
  9. Take out the system board (see that procedure on page 66). (printed page 70).
  10. Take out the two Phillips PM2.5×2.5 screws (printed page 77).
  11. Take out the power button board from the computer (2). (printed page 77).
  12. Install the power button board by working back through the printed removal steps (printed page 77).

Manufacturer manual

HP Maintenance and Service Guide (PDF, HP). Machine-readable copy: /api/guides/hp-zbook-15-g5-power-button-board-replacement-p77

Key facts

HP document part number
L23753-001
Model
HP ZBook 15 G5
Release year
2018
Screen size
15.6"
Printed pages
41–77