Lenovo ThinkCentre 2121 User Manual page 52

4. Remove the screw that secures the optical drive in the optical drive box. Use the screwdriver to slide
the optical drive forward and then remove the optical drive from the optical drive box.
Figure 18. Removing the optical drive from the optical drive box
5. Remove the two screws that secure the optical drive metal plate and then remove the metal plate
from the optical drive.
Figure 19. Removing the optical drive metal plate
38
ThinkCentre User Guide