HP ProBook 455 G3 system board replacement

Step-by-step HP ProBook 455 G3 system board replacement rewritten in our own words from HP's Maintenance and Service Guide, with page citations.

Part you need827035-001HP Power button board assembly 827035-001 for the HP ProBook 455 G3
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On this page
  1. Applies to
  2. tools and parts
  3. preparation
  4. replacement
  5. Part numbers in our catalog
  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 32–67). 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 G3. Confirm the exact model on the service label before starting.

HP ProBook 455 G3 Notebook PC system board replacement. HP prints this procedure on printed page 66 of its maintenance and service guide.

tools and parts

  • Screwdrivers and a non-marking pry tool as HP lists for this procedure
  • Static-safe work surface

preparation

Save your work and shut the computer down through the operating system, unplug AC power and every external device, and work on a clean, grounded, ESD-protected surface while sorting each screw by its original location. Handle every cable by its connector and put each one back in its own place during reassembly.

  1. Power the machine down. If you are unsure whether the machine is off or in Hibernation, turn the machine on, and after that shut it down through the operating system. (printed page 32).
  2. Detach every external device wired to the machine. (printed page 32).
  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 32).
  4. Take the battery out (the Battery section is on page 32). (printed page 33).

replacement

  1. Take the following parts out: a. Service doors (the Service doors section is on page 33). b. Optical drive (the Optical drive section is on page 35) c. Hard drive (the Hard drive section is on page 37) d. Keyboard (the Keyboard section is on page 43) e. Top cover (the Top cover section is on page 48) (printed page 66).
  2. Place the machine upright with the front toward you. (printed page 66).
  3. Detach those leads from the main board: (1) Power connector lead (2) Display lead (3) Battery connector lead (4) Speaker lead (5) Hard drive lead (printed page 67).
  4. Take the 2 Phillips PM2.5×5.0 fasteners (1) that hold the main board to the machine. (printed page 67).
  5. Take the main board from the machine (2). (printed page 67).
  6. Fit the replacement part by working back through the printed removal steps (printed page 67).

Part numbers in our catalog

Check each part page for its source and variant notes before ordering.

Manufacturer manual

HP Maintenance and Service Guide (PDF, HP). Machine-readable copy: /api/guides/hp-probook-455-g3-system-board-replacement-p66

Key facts

HP document part number
824586-001
Model
HP ProBook 455 G3
Release year
2015
Screen size
15.6"
Printed pages
32–67

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