Lenovo thinkcentre e73 Hardware Maintenance Manual page 140

9. Slide the new optical drive into the optical drive bay from the front of the computer.
Figure 78. Installing a new optical drive
10. Hold the new optical drive and pivot the drive bay assembly upward. Align the screw holes in the new
optical drive with the corresponding holes in the drive bay. Then, install the two screws to secure
the new optical drive in place.
Figure 79. Installing the optical drive
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ThinkCentre E73 Hardware Maintenance Manual