To remove the optical drive, unlatch and remove the system's base cover. Then unlatch and remove the front bezel from the system. Find the front panel and flip it over. Identify the optical drive and disconnect the cables. Flip the front panel back over and unlatch the drive.
Remove the optical drive from the system. To reinstall the optical drive, place it back in the system and relatch it. Flip the front panel over and disconnect the cables. Flip the front panel over and secure the front bezel and base cover on the device.