Do not open your computer or attempt any repair before reading and understanding the Read this first: Important safety information.
Keep fingers and other parts of your body away from hazardous, moving parts. If you suffer an injury, seek medical care immediately.
Prepare your computer. See Preparing your computer and removing the computer cover.
Full-length PCIe cards, see Full-length PCIe card
PCIe card retainer, see PCIe card
Super capacity module, see Super capacitor module

Disconnect the front-fan-assembly cable from the front-fan-assembly connector on the system board.
Connect the cable of the new front fan assembly to the front-fan-assembly connector on the system board. See Parts on the system board.

Reinstall the M.2 solid-state drive holder, the full-length PCIe cards, the PCIe card retainer, and the super capacitor module if you have removed them.
To work with another piece of hardware, go to the appropriate section.
To complete the installation or replacement, go to Completing the parts replacement.