Replacing the AC power adapter
Attention
Do not open your computer or attempt any repair before reading the “Important safety
information” in the ThinkCentre Safety and Warranty Guide that came with your computer.
To obtain a copy of the ThinkCentre Safety and Warranty Guide, go to:
http://www.lenovo.com/support
This section provides instructions on how to replace the AC power adapter.
1. Remove any media from the drives, shut down your operating system, and
turn off all attached devices and the computer.
2. Disconnect the AC power adapter cord from the electrical outlet.
3. Locate the power adapter connector. See “Locating connectors on the rear of
your computer” on page 6.
4. Disconnect the AC power adapter cable from the power adapter connector.
5. Connect the new AC power adapter cable to the power adapter connector on
the chassis.
6. Connect the power cord to the electrical outlet.
7. Go to Chapter 4, “Completing the parts replacement,” on page 31.
Figure 28. Connecting the AC power adapter
Chapter 3. Installing options and replacing hardware 27
