5.Disconnect the data and power cables from the rear of the optical drive. 
6.Remove the 2 screws that secure the optical drive to the optical drive bay 
and push the optical drive straight out of the front of the drive bay. 
5
3
4
7.Slide the new optical drive into the bay from the front, then attach it to the drive bay with the screws.
8.Connect the data and power cables to the new optical drive.
9.Slide the optical disk drive bay back, then push it in and and reattach it to the chassis with the screws.
10.Reattach the front bezel. Refer to “Removing the front bezel”.
11.Refer to “Completing the installation”.