Be sure to read and follow the safety guidelines to protect your computer from potential damage and ensure your personal safety. For more information about safety guidelines, see the owner's manual at Dell.com/Support. Before you begin. Turn off the computer and disconnect all the attached peripherals.
To remove the fan, loosen the two captive screws on the back of the base cover. Then remove the seven screws and lift the cover off the system. Find the battery cable and remove the piece of tape. Unplug the battery cable. Identify the fan and remove the two screws. Disconnect the cables. And lift the fan out of the system.
To reinstall the fan. Place it back in the system. Reconnect the cables and tighten the two screws. Plug in the battery cable and reattach the piece of tape. Place the base cover back on the system and secure it with the nine total screws. For more information about your Dell system, visit Dell.com/Support.