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, remove the screw on the right side cover. Unlatch and lift the cover off the system. Identify the PSU hinge and move the tabs to the unlocked position. Lift the hinge to open it. Identify the power supply unit and disconnect the cables. Flip the hinge back down. Disconnect the cables and remove the two screws. Unlatch and remove the four screws to lift the PSU out of the system.
To reinstall the power supply unit, place it back in the system. Tighten the four screws and re-latch the unit. Install the two screws and reconnect the cables. Flip the hinge up and reconnect the cables. Flip the hinge back down and move the tabs to the locked position to secure the PSU hinge. Re-latch the right side cover on the system and tighten the screw to secure it. For more information about your Dell system, visit: Dell.com/Support.