Lenovo ThinkCentre A70 7099 Hardware Maintenance Manual page 157

7. Position the new hard disk drive into the hard disk drive bay and align the
screw holes in the new hard disk drive with the corresponding holes in the
drive bay assembly. Then, hold the new hard disk drive from one side of the
drive bay assembly and install the four screws from the other side to secure the
new hard disk drive in place.
Figure 71. Installing the hard disk drive
8. To complete the replacement, go to "Completing the parts replacement" on
page 157.
Chapter 9. Replacing FRUs - Desktop computers
151