7. Install the operating system for your computer (see Restoring Your Operating System).8. Install the drivers and utilities for your computer (see Reinstalling Drivers and Utilities).Returning a Hard Drive to DellReturn your old hard drive to Dell in its original or comparable foam packaging. Otherwise, the hard drive may be damaged in transit.Media BayRemoving the Device Security ScrewIf present, you must remove the device security screw before you remove the device:1. Save and close any open files, exit any open programs, and shut down the computer.2. If the computer is connected to a docking device (docked), undock it. See the documentation that came with your docking device for instructions.3. Close the display and turn the computer upside-down.4. Use a #1 Phillips screwdriver to remove the device security screw from the bottom of the computer.Removing and Installing Media Bay Devices1 foam packaging 2 hard driveNOTE: If the device security screw is not present, you can remove and install devices while the computer is running and connected to a docking device(docked).1 device security screw2 device latch releaseNOTE: If the device security screw is not installed, you can remove and install devices while the computer is running and connected to a docking device(docked).NOTICE: To prevent damage to devices, store them in a safe, dry place when they are not installed in the computer. Avoid pressing down on them orplacing heavy objects on top of them.