HP ProBook 455 G8 system board replacement

Step-by-step HP ProBook 455 G8 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 45–46). 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 G8. Confirm the exact model on the service label before starting.

HP ProBook 455 G8 Notebook PC system board replacement. HP prints this procedure on printed page 45 of its maintenance and service guide.

tools and parts

  • Tweezers, Nonconductive, nonmarking pry tool and Magnetic Phillips P1 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 24. Its preparation for disassembly is on printed page 32: power the unit down through the operating system, unplug the power cord and detach every external device before opening it. 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. Detach the following cables from the system board: (printed page 45).
  2. Take out port bracket (1), by removing three Phillips M2.0 × 4.0 screws that hold bracket to system board, and then removing the bracket (3). (printed page 46).
  3. Take out the two Phillips M2.0 × 2.5 screws that hold the system board to the computer. (printed page 46).
  4. Lift side of system board upward (5), and then pull system board away from connectors on the side of the computer to take out it (6). (printed page 46).
  5. Put the system board back by repeating the printed removal moves in the opposite order (printed page 46).

Manufacturer manual

HP Maintenance and Service Guide (PDF, HP). Machine-readable copy: /api/guides/hp-probook-455-g8-system-board-replacement-p45

Key facts

HP document part number
M11675-001
Model
HP ProBook 455 G8
Release year
2021
Screen size
15.6"
Printed pages
45–46