HP ProBook 455 G4 system board replacement

Step-by-step HP ProBook 455 G4 system 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 66–76). 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 ProBook 455 G4. Confirm the exact model on the service label before starting.

HP ProBook 455 G4 Notebook PC system board replacement. HP prints this procedure on printed page 74 of its maintenance and service guide.

tools and parts

  • Flat-bladed drivers, Phillips P0 and P1 drivers and Torx T8 drivers
  • Static-safe work surface
  • No spare part number for this component was found in the cached manual

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.

  1. Position the computer upright on a flat surface. (printed page 66).

replacement

  1. Detach following cables from the system board: Display cable Optical drive connector cable (printed page 75).
  2. Take out the 3 Phillips PM2.5×7.0 screws that hold the system board to the computer. (printed page 75).
  3. Lift bracket from atop the USB-Type C port (2). (printed page 75).
  4. Rotate right side of the system board upward (3). (printed page 75).
  5. Detach the power connector cable from the underside of the system board (4). (printed page 75).
  6. Pull system board away from connectors on the side of the chassis to take out it from the computer (5). (printed page 76).
  7. Put the system board back by repeating the printed removal moves in the opposite order (printed page 76).

Manufacturer manual

HP Maintenance and Service Guide (PDF, HP). Machine-readable copy: /api/guides/hp-probook-455-g4-system-board-replacement

Key facts

HP document part number
903116-001
Model
HP ProBook 455 G4
Release year
2016
Screen size
15.6"
Printed pages
66–76