7Push the drive all the way in through the front of the chassis until it locks into place.

8Replace the two screws on the side of the optical drive into the holes labeled (1) on the chassis to secure it to the drive bay.

NOTE: The following figure shows both optical drives. Your chassis may include one or two optical drives, depending on your model.

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9Replace the front and side panels, and close the computer. See “Opening and Closing the Computer” on page 1.

Removing the Primary Hard Disk Drive

1Prepare the computer to be opened, and then remove the side and front panels. See “Opening and Closing the Computer” on page 1.

2Release the hard disk drive by removing the two screws on the side of the drive, and then slide the drive partway out of the front of the chassis.

10Upgrading and Servicing Guide