Lenovo ThinkCentre M81 Hardware Maintenance Manual page 142

7. To install a new hard disk drive into the bracket, flex the bracket and align pin
5 on the bracket with the corresponding holes in the hard disk drive.
Important: Do not touch the circuit board
8. Connect the signal cable and the power cable to the new hard disk drive.
9. Insert the two retaining clips
of the optical drive bay, and then pivot the hard disk drive and bracket downwards until the hard
disk drive bracket snaps into position.
Figure 72. Installing the hard disk drive
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ThinkCentre Hardware Maintenance Manual
3 on the bottom of the hard disk drive.
1 of the hard disk drive bracket into the corresponding holes in the side
1 , pin 2 , pin 4 , and pin