Lenovo ThinkCentre 2121 User Manual page 57

3. Remove the screw that secures the optical drive box on the VESA mount bracket and then slide the
optical drive box to remove it from the VESA mount bracket.
Figure 25. Removing the optical drive box
4. Slide the release button on the optical drive box and then remove the secondary hard disk drive adapter
from the optical drive box.
Figure 26. Removing the secondary hard disk drive adapter from the optical drive box
.
Chapter 5 Installing or replacing hardware
43