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 ZBook Studio G4. Confirm the exact model on the service label before starting.
HP ZBook Studio G4 Mobile Workstation thermal module replacement. HP prints this procedure on printed page 38 of its maintenance and service guide, and the spare-part table for this part is on printed page 38.
tools and parts
- Flat-bladed screw driver, Magnetic screw driver and Phillips P0 and P1 screw drivers
- Static-safe work surface
922945-001- Thermal module for use only with models with discrete graphics memory. Source: printed page 38.922946-001- Thermal module for use only with models with UMA graphics memory. Source: printed page 38.
preparation
HP prints its tools list and its handling and electrostatic-discharge cautions on printed page 24. 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
- Back off six captive screws on discrete models, or four on UMA models, in middle of heat sink (between the fans) in the order marked there, and the two captive screws on each fan. (printed page 38).
- Detach the cable for each fan off the system board (3). (printed page 38).
- Lift the antennas off the routing path atop the left fan and the display connector off the routing path atop the right fan (5). (printed page 38).
- Take out the fan/heat sink assembly (6). (printed page 39).
- Put the thermal module back by repeating the printed removal moves in the opposite order (printed page 40).
Part numbers in our catalog
- HP heat sink 922945-001 (922945-001)
- HP heat sink 922946-001 (922946-001)
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-zbook-studio-g4-thermal-module-replacement-p38