Lenovo ThinkCentre 3231 Hardware Maintenance Manual page 119

3. Press the blue release button and remove the optical drive out the front of the
computer.
Note: There is a spare retainer bracket 1 attached to the side of the upper
drive cage.
Figure 25. Removing the optical drive
4. Remove the retainer bracket from the drive being replaced and install it on the
new drive.
Figure 26. Retainer bracket for optical drive
5. Slide the new optical drive into the bay from the front until it snaps into
position.
6. Connect the signal and power cables to the drive.
7. Go to "Completing the FRU replacement" on page 122.
Chapter 8. Replacing FRUs - Tower computers
113