Before you begin: Remove the access panel and riser assembly(if installed). Removal – 1. Disconnect the front fan cable from the system board. 2. Press the release latch and remove the auxiliary power cable connectors from the holding slots in the PCI card guide. 3. Press the front edge of the fan assembly and pull back to disengage the two release clips. 4. Rotate the fan assembly and guide it out of the chassis. Replacement – 1. Toe the tabs on the lower edge of the fan assembly into the cut outs in the chassis and press the release clips into the chassis until they snap into position. 2. Latch the auxiliary power cable connectors onto the holding slots in the PCI card guide. 3. Connect the front fan cable into the connector on the system board.