32 | Replacing the Primary Hard-DriveReplacing the Primary Hard-DriveWARNING: Before working inside your computer, read the safety informationthat shipped with your computer and follow the steps in "Before You Begin" onpage 7. After working inside your computer, follow the instructions in"After Working Inside Your Computer" on page 9. For more safety best practices,see the Regulatory Compliance home page at dell.com/regulatory_compliance.CAUTION: Hard drives are fragile. Exercise care when handling the hard drive.Procedure1 Align the screw holes on the primary hard-drive with the screw holes on thehard-drive brackets.2 Replace the screws that secure the hard-drive brackets to the primary hard-drive.3 Slide the primary hard-drive assembly into the chassis.4 Replace the screws that secure the primary hard-drive assembly to the chassis.Postrequisites1 Replace the drive cage. See "Replacing the Drive Cage" on page 28.2 Replace the computer cover. See "Replacing the Computer Cover" on page 13.