Replacing The Power Supply Assembly - Lenovo ThinkCentre Edge 91 User Manual

11. 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 12. Then,
locate an available five-wire power connector and connect it to the rear of the new optical drive.
Figure 29. Connecting the optical drive
12. Lower the drive bay assembly.
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 57.

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.
This section provides instructions on how to replace the power supply assembly.
Although there are no moving parts in your computer after the power cord has been disconnected, the
following warnings are required for your safety and proper Underwriters Laboratories (UL) certification.
CAUTION:
Hazardous moving parts. Keep fingers and other body parts away.
CAUTION:
Never remove the cover on a power supply or any part that has the following label attached.
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ThinkCentre Edge User Guide