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. Unlatch the monitor stand to remove it. Unlatch and slide the back cover off the system. Identify the system board shield and remove the six screws. Lift the shield out of the system. Find the IO cover and remove the two screws to lift it out of the system.
Remove the three screws, securing the bottom cover to slide it off the system. Identify the power supply unit and disconnect the cables. Remove the five total screws to lift the unit out of the system to reinstall the power supply unit. Place it back in the system and secure the five total screws.
Reconnect the cables. Secure the bottom cover with the three screws. Reattach the IO cover with the two screws. Place the system board shield back in the system and install the six screws. Slide the back cover on the system and relax the monitor. Stand.
For more information about your Dell system, visit dell.com/support.
