HP ProBook 455 G4 power button board replacement

Step-by-step HP ProBook 455 G4 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 56–59). 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 power button board replacement. HP prints this procedure on printed page 58 of its maintenance and service guide, and the spare-part table for this part is on printed page 58.

tools and parts

  • Flat-bladed drivers, Phillips P0 and P1 drivers and Torx T8 drivers
  • Static-safe work surface

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 top cover upside-down. (printed page 56).

replacement

  1. Detach the cable from the connector on the board. (printed page 58).
  2. Take out the Phillips PM2.0×3.0 screw that holds the board to the top cover. (printed page 58).
  3. Lift left side of board (3), and then pull board out and to the left to take out it from under the tabs (4). (printed page 58).
  4. If you need to replace cable, note cable routing path through the top cover (5). (printed page 59).
  5. Put the power button board back by repeating the printed removal moves in the opposite order (printed page 59).

Manufacturer manual

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

Key facts

HP document part number
903116-001
Model
HP ProBook 455 G4
Release year
2016
Screen size
15.6"
Printed pages
56–59

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