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 445 G9. Confirm the exact model on the service label before starting.
HP ProBook 445 14 inch G9 Notebook PC heat sink replacement. HP prints this procedure on printed page 54 of its maintenance and service guide, and the spare-part table for this part is on printed page 54.
tools and parts
- Tweezers, Nonconductive, nonmarking pry tool and Magnetic Phillips P1 drivers
- Static-safe work surface
M47406-001- Heat sink. Source: printed page 54.
preparation
HP prints its tools list and its handling and electrostatic-discharge cautions on printed page 30. Its preparation for disassembly is on printed page 38: 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
- In order indicated on heat sink, loosen the four captive Phillips screws that hold the heat sink to the computer. (printed page 54).
- Take out the heat sink from the computer (2). (printed page 55).
- Thoroughly clean thermal material from surfaces of the heat sink (printed page 55).
- Put the heat sink back by repeating the printed removal moves in the opposite order (printed page 55).
Part numbers in our catalog
- HP heat sink with thermal material (M47406-001)
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-445-14-inch-g9-heat-sink-replacement-p54