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 820 G4. Confirm the exact model on the service label before starting.
HP EliteBook 820 G4 Notebook PC heat sink/fan assembly replacement. HP prints this procedure on printed page 56 of its maintenance and service guide, and the spare-part table for this part is on printed page 56.
tools and parts
- Screwdrivers and a non-marking pry tool as HP lists for this procedure
- Static-safe work surface
821691-001- Heat sink/thermal module with fans. Source: printed page 56.
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.
- Power the machine down. If you cannot tell whether the machine is off or in Hibernation, turn the machine on, and after that shut it down through the operating system. (printed page 30).
- Cut the power from the machine by unplugging the power cord from the machine. (printed page 30).
- Detach every external device from the machine. (printed page 30).
- Take the bottom cover off (the Bottom cover section is on page 30). (printed page 35).
- Take the battery out (the Battery section is on page 35). (printed page 36).
replacement
- Fit the replacement part by working back through the printed removal steps (printed page 57).
Part numbers in our catalog
- HP heat sink/fan assembly (821691-001)
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-820-g4-heat-sink-fan-assembly-replacement-p56