2. Insert the tabs along the bottom of the fan cage into the corresponding slots on the cage housing, then rotate the fan cage forward until it snaps intoplace.3. Connect the fan cable to the FAN_CAGE connector on the system board (see System Board Components).4. Replace any expansion cards that you removed (see Installing PCI and PCI Express Cards).5. Replace the computer cover (see Replacing the Computer Cover).6. Connect your computer and devices to electrical outlets, and then turn them on.Removing the CPU Fan1. Follow the procedures in Before You Begin.2. Remove the computer cover (see Removing the Computer Cover).3. Disconnect the fan cable from the FAN1_CPU connector on the system board (see System Board Components).4. Remove the processor airflow shroud (see Removing the Processor Airflow Shroud).5. In succession, carefully pull on the two bottom corners of the fan to detach the rubber grommets securing the fan to the processor airflow shroud, thelift the fan to detach the two remaining grommets.1 card fan 2 rubber grommet (4) 3 fan cageNOTICE: To connect a network cable, first plug the cable into the network port or device and then plug it into your computer.1 rubber grommet (4) 2 CPU fan 3 processor airflow shroud