Locate any optical drives (CD or DVD drives)

Unplug the data cable connecting the optical drive to the motherboard at the drive (the cable should still be connected to the motherboard)

Slide the blue bracket the direction the arrow on the bracket shows to release the plastic on the front of the computer and carefully remove

Slide the blue bracket again and remove the optical drive from the computer case through the front

Disconnect the data cable from the motherboard that attached to the optical drive and place it with the optical drive