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 side cover. Loosen the screws securing the side cover. And slide the cover off the system to remove it. To reinstall the side cover, place the side cover on the chassis by aligning the tabs on the side cover with the slots on the chassis.
Slide the side cover towards the rear of the computer. Tighten the screw. For more information about your Dell system, visit Dell.com/Support.