Replacing The Ac Power Adapter; Replacing The Ac Power Adapter Bracket - Lenovo ThinkCentre Hardware Maintenance Manual

Replacing the ac power adapter

Attention
Do not open your computer or attempt any repair before reading and understanding 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.
To replace the ac power adapter, do the following:
1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect
all power cords from electrical outlets and disconnect all cables that are connected to the computer.
2. Disconnect the power cord from the electrical outlet.
3. Disconnect the ac power adapter from the ac power adapter connector on the rear of your computer.
See "Locating connectors on the rear of your computer" on page 65.
4. Connect the new ac power adapter to the ac power adapter connector on the chassis and an workable
electrical outlet.
Figure 21. Connecting the ac power adapter
5. Go to "Completing the parts replacement" on page 87.

Replacing the ac power adapter bracket

Attention
Do not open your computer or attempt any repair before reading and understanding the "Important safety
information" in the ThinkCentre Safety and Warranty Guide that came with your computer. To obtain a copy
82
ThinkCentre Hardware Maintenance Manual