HP ZBook 15u G5 rj 45 board and bracket replacement

Step-by-step HP ZBook 15u G5 rj 45 board and bracket replacement rewritten in our own words from HP's Maintenance and Service Guide, with page citations.

Part you needL19421-001HP RJ-45 board with bracket L19421-001 for the HP ZBook 15u G5
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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 38–57). 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 15u G5. Confirm the exact model on the service label before starting.

HP ZBook 15u G5 Mobile Workstation rj-45 board and bracket replacement. HP prints the spare part table for this procedure on printed page 57.

tools and parts

  • Phillips P0 screwdriver
  • Static-safe work surface
  • L19421-001 - RJ-45 board with bracket. Source: printed page 57.

preparation

HP prints its tools list and its handling and electrostatic-discharge cautions on printed page 31. Work on a grounded, static-safe surface, keep screws grouped by the position they came from, and handle boards and modules by their edges.

  1. Power the machine down. (printed page 40).
  2. Detach all external devices connected to the computer. (printed page 40).
  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 40).
  4. Take off the bottom cover (see that procedure on page 36). (printed page 38).
  5. Detach the battery cable from the system board (see that procedure on page 50). (printed page 38).

replacement

  1. Take out the five Phillips M2.5×5.0 screws that hold the assembly to the computer. (printed page 57).
  2. Rotate the assembly out of the computer (2). (printed page 57).
  3. Install the rj-45 board and bracket by working back through the printed removal steps (printed page 57).

Parts this procedure uses

Manufacturer manual

HP Maintenance and Service Guide (PDF, HP). Machine-readable copy: /api/guides/hp-zbook-15u-g5-rj-45-board-and-bracket-replacement-p57

Key facts

HP document part number
L12984-002
Model
HP ZBook 15u G5
Release year
2018
Screen size
15.6"
Printed pages
38–57