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 640 G2. Confirm the exact model on the service label before starting.
HP ProBook 640 G2 fan and heat sink assembly for products with discrete graphics replacement. HP prints this procedure on printed page 62 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
840662-001- For 14" products with integrated graphics. Source: printed page 61.840663-001- For 14" products with discrete graphics. Source: printed page 61.840732-001- For 15" products with integrated graphics. Source: printed page 61.840734-001- For 15" products with high-quality integrated graphics. Source: printed page 61.840733-001- For 15" products with discrete graphics. Source: printed page 61.
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.
Replacement
- Detach the cable from the system board. (printed page 62).
- Loosen 6 Phillips captive screws (2). (printed page 62).
- Lift the fan and heat sink assembly to remove it. (printed page 62).
Part numbers in our catalog
- HP cooling fan 840662-001 (840662-001)
- HP cooling fan 840663-001 (840663-001)
- HP cooling fan 840732-001 (840732-001)
- HP cooling fan 840734-001 (840734-001)
- HP cooling fan 840733-001 (840733-001)
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-640-g2-fan-and-heat-sink-assembly-for-products-with-discrete-graphics-644790ba