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 81). 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 EliteBook 845 G9. Confirm the exact model on the service label before starting.
HP EliteBook 845 G9 heat sink replacement. HP prints this procedure on printed page 81 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
N13073-001- Heat sink For use with system boards equipped with a 28 W processor. Source: printed page 81.N13072-001- Heat sink For use with system boards equipped with a 15 W processor. Source: printed page 81.
Preparation
Save your work, shut the computer down through the operating system, unplug AC power and every external device, and work on a grounded, static-safe surface.
Replacement
- Prepare the computer for disassembly and open the bottom cover so the heat sink is reachable. (printed page 81).
- Undo the captive fasteners holding the heat sink in place, working in the order the manual gives. (printed page 81).
- Lift the heat sink off the processor and keep it clear of the processor and the board. (printed page 81).
Part numbers in our catalog
- HP heat sink N13072-001 (N13072-001)
- HP heat sink, 28 W processor models (N13073-001)
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-elitebook-845-g9-heat-sink-replacement-p81