Replacing The Power Supply Assembly - Lenovo ThinkCentre Edge 71 1577 User Manual

5. Slide the new optical drive into the drive bay from the front and align the screw holes in the new optical
drive with the corresponding holes in the drive bay. Then, install the three screws to secure the new
optical drive in place.
Figure 24. Installing the optical drive
6. Connect one end of the signal cable to the rear of the new optical drive and the other end to an available
SATA connector on the system board. See "Locating parts on the system board" on page 10. Then,
locate an available five-wire power connector and connect it to the rear of the new optical drive.
Figure 25. Connecting the optical drive
What to do next:
• To work with another piece of hardware, go to the appropriate section.
• To complete the installation or replacement, go to "Completing the parts replacement" on page 50.

Replacing the power supply assembly

Attention: Do not open your computer or attempt any repair before reading and understanding the "Important
safety information" on page v.
42
ThinkCentre User Guide