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 power supply unit, loosen the two screws on the side cover and slide the cover off the system.
Unlatch the front bezel. Identify and unlatch the fan shroud to remove it from the system. Identify the hard drive assembly and disconnect the cables. Remove the two screws and lift the assembly out of the system. Identify the disk drive cage and disconnect the cables.
Remove the screw and lift the cage out of the system. Flip the cage over and disconnect the cables to fully remove the cage from the system. Identify the power supply unit and disconnect the cables. Remove the three screws and lift the PSU out of the system to reinstall the power supply unit. Place it back in the system.
Install the three screws and reconnect the cables. Place the disk drive cage back in the system and reconnect the cables. Flip the cage over and install the screw. Reconnect the cables. Place the hard drive assembly in the system and install the two screws. Reconnect the cables. Relatch the fan shroud to the system. Relatch the front bezel and secure the side cover by tightening the two screws.
For more information about your Dell system, visit dell.com/support.
