78 Adding and Replacing Partsw w w . d e l l . c o m | s u p p o r t . d e l l . c o m NOTE: If you are installing a hard drive from a source other than Dell, you need to install an operatingsystem, drivers, and utilities on the new hard drive.To replace the hard drive in the hard drive bay:1 Follow the procedures in "Before You Begin" on page 75.2 Turn the computer over, and remove the hard drive screws.NOTICE: When the hard drive is not in the computer, store it in protective antistatic packaging. See"Protecting Against Electrostatic Discharge" in the Product Information Guide.3 Slide the hard drive out of the computer.4 Remove the new drive from its packaging.Save the original packaging for storing or shipping the hard drive.NOTICE: Use firm and even pressure to slide the drive into place. If you use excessive force, you maydamage the connector.5 Slide the hard drive into the bay until it is fully seated.6 Replace and tighten the screws.7 Install the operating system for your computer. See "Restoring Your Operating System" onpage 71.8 Install the drivers and utilities for your computer. See "Reinstalling Drivers" on page 70.hard drivescrews (2)