110 Installing System ComponentsInstalling a Cooling FanWARNING: Opening or removing the system cover when the system is on mayexpose you to a risk of electric shock. Exercise utmost care while removing orinstalling cooling fans.1 Align the connector on the fan with the connector on the system board.2 Lower the fan into the cooling fan assembly until the release tab snaps intoplace. See Figure 3-12.3 Close the system. See "Closing the System" on page 85.Removing the Cooling Fan AssemblyCAUTION: Many repairs may only be done by a certified service technician. Youshould only perform troubleshooting and simple repairs as authorized in yourproduct documentation, or as directed by the online or telephone service andsupport team. Damage due to servicing that is not authorized by Dell is not coveredby your warranty. Read and follow the safety instructions that came with theproduct.1 Turn off the system, including any attached peripherals, and disconnectthe system from its electrical outlet.2 Open the system. See "Opening the System" on page 84.3 Lift the blue release levers in the direction of the arrows to release thecooling fan assembly from the chassis. See Figure 3-13.4 Grasp the blue release levers and lift the cooling fan assembly out of thesystem. See Figure 3-13.
