Lenovo ThinkCentre 3231 User Manual page 41

8. To install a new hard disk drive into the blue bracket, flex the bracket and
align pin 1 , pin 2 , pin 3 , and pin 4 on the bracket with the holes in
the hard disk drive. Do not touch the circuit board 5 on the bottom of the
hard disk drive.
Figure 24. Installing the secondary hard disk drive into the bracket
9. Slide the new hard disk drive into the hard disk drive cage until it snaps into
position.
Chapter 2. Installing options and replacing hardware
33