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 8.
4.
Connect the new ac power adapter to the ac power adapter connector on the
chassis and an workable electrical outlet.
What to do next:
v
To work with another piece of hardware, go to the appropriate section.
v
To complete the installation or replacement, go to “Completing the parts
replacement” on page 31.
Figure 19. Connecting the ac power adapter
Chapter 2. Installing or replacing hardware
27
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