Check the documentation that accompanied the drive to verify that the drive is configured for your computer. If you are installing an IDE drive, configurethe drive for the cable select setting.4. Connect the new drive to the set of rails that are attached to the inside of the cover. If a set of rails is not attached inside the computer cover, contactDell.5. If you are installing a replacement drive and the new drive does not have the bracket rails attached, remove the rails from the old drive by removingthe two screws that secure each rail to the drive. Attach the bracket to the new drive by aligning the screw holes on the drive with the screw holes onthe bracket rails and then inserting and tightening all four screws (two screws on each rail). See the diagram.6. Gently slide the drive into place until the tabs securely click into position.7. Connect the power and CD/DVD drive cables to the drive.If you are adding a drive that has an audio cable, connect the audio cable to the audio connector on the audio card.8. If you are installing a new CD/DVD drive rather than replacing a drive, remove the front-panel inserts.From inside the drive bay, gently press on each side of the insert until it pops out.9. If you are installing a drive that has its own controller card, install the controller card in an expansion slot.See the documentation that accompanied the drive and controller card to verify that the configuration is correct for your computer.10. Check all cable connections, and fold cables out of the way to provide airflow for the fan and cooling vents.11. Close the computer cover.12. Connect your computer and devices to electrical outlets, and turn them on.See the documentation that came with the drive for instructions on installing any software required for drive operation.Processor Airflow ShroudNOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.CAUTION: Before you perform this procedure, follow the safety instructions in your Owner's Manual.