7.Disconnect the power cable and hard drive cable from the drive.
8.Press in on the tabs on each side of the drive and slide the drive up and out.
NOTICE: Ground yourself by touching an unpainted metal surface on the back of the computer.
NOTICE: When you unpack the drive, do not set it on a hard surface, which may damage the drive. Instead, set the drive on a surface, such as a foam pad, that will sufficiently cushion it.
9.Unpack the replacement hard drive, and prepare it for installation.
10.Check the documentation for the drive to verify that it is configured for your computer.
11.If your replacement hard drive does not have the bracket rails attached, remove the rails from the old drive by removing the two screws that secure each rail to the drive. Attach the bracket rails to the new drive by aligning the screw holes on the drive with the screw holes on the bracket rails and