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 430 G4. Confirm the exact model on the service label before starting.
HP ProBook 430 G4 Notebook PC heat sink assembly replacement. HP prints this procedure on printed page 71 of its maintenance and service guide, and the spare-part table for this part is on printed page 71.
tools and parts
- Screwdrivers and a non-marking pry tool as HP lists for this procedure
- Static-safe work surface
910978-001- Heat sink. Source: printed page 71.
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 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 31).
- Detach every external device wired to the machine. (printed page 63).
- Cut the power by pulling the cord out of the wall outlet, and after that unplugging the AC adapter from the machine. (printed page 63).
replacement
- Take the following parts out: a. Service door (the Service doors section is on page 31). b. Hard drive (the Hard drive section is on page 33) c. WLAN module (the WLAN/Bluetooth combo card section is on page 37) d. WWAN module (the WWAN module section is on page 39) e. Keyboard (the Keyboard section is on page 42) f. Top cover (the Top cover section is on page 49) g. Battery (the Battery section is on page 61) h. Main board (the main board section is on page 67) (printed page 71).
- Place the main board upside-down. (printed page 71).
- In the order indicated on the heat sink, back off the 4 captive Phillips fasteners (1)–(4) that hold the heat sink to the main board. (printed page 71).
- Lift the heat sink from the main board (5). (printed page 72).
- Fit the replacement part by working back through the printed removal steps (printed page 72).
Part numbers in our catalog
- HP heat sink 910978-001 (910978-001)
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-430-g4-heat-sink-assembly-replacement-p71