HP ProBook 450 G3 fan/heat sink assembly replacement

Step-by-step HP ProBook 450 G3 fan/heat sink assembly replacement rewritten in our own words from HP's Maintenance and Service Guide, with page citations.

Part you need827040-001HP cooling fan 827040-001 for the HP ProBook 450 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 34–67). 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 450 G3. Confirm the exact model on the service label before starting.

HP ProBook 450 G3 Notebook PC fan/heat sink assembly replacement. HP prints this procedure on printed page 67 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
  • 827040-001 - Fan computer. The computer uses an electric fan for ventilation. The fan is controlled by a temperature sensor and is designed to turn on automatically when high temperature conditions exist. These conditions are affected by high external temperatures, system power consumption, power management/battery conservation configurations, battery fast charging, and software requirements. Exhaust air is displaced through the ventilation grill located on the left side of the computer.. Source: printed page 67.

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 34).
  2. Detach every external device wired to the machine. (printed page 34).

replacement

  1. Cut the power by pulling the cord out of the wall outlet and after that unplugging the AC adapter from the machine. (printed page 67).
  2. Take the battery out (the Battery section is on page 34), and after that take the following parts out: a. Service doors (the Service doors section is on page 35). b. Optical drive (the Optical drive section is on page 37) c. Hard drive (the Hard drive section is on page 39) d. Keyboard (the Keyboard section is on page 48) e. Top cover (the Top cover section is on page 53) (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-450-g3-fan-heat-sink-assembly-replacement-p67

Key facts

HP document part number
824660-001
Model
HP ProBook 450 G3
Release year
2015
Screen size
15.6"
Printed pages
34–67

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