8. Replace the base cover (see Replacing the Base Cover).
CAUTION: Before turning on the computer, replace all screws and ensure that no stray screws remain inside the computer. Failure to do so may result in damage to the computer.
9.Replace the battery (see Replacing the Battery).
10.Install the operating system for your computer, as needed (see "Restoring Your Operating System" in the Setup Guide).
11.Install the drivers and utilities for your computer, as needed. For more information, see the Dell Technology Guide.