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To replace the keyboard, do the following:
1. Remove all media from the drives. Then, turn off all attached devices and the
computer.
2. Disconnect all power cords from electrical outlets.
3. Disconnect the old keyboard cable from the computer.
4. Connect a new keyboard to the appropriate connector on the computer. Your
keyboard might be connected to a PS/2 keyboard connector 1 or a USB
connector 2. Depending on where you want to connect your keyboard, see
“Locating connectors on the front of your computer” on page 8 or “Locating
connectors on the rear of your computer” on page 9.
What to do next:
v To work with another piece of hardware, go to the appropriate section.
v To complete the replacement, go to “Completing the parts replacement” on
page 46.
Replacing the mouse
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,goto:
http://www.lenovo.com/support
This section provides instructions on how to replace the mouse.
To replace the mouse, do the following:
1. Remove all media from the drives. Then, turn off all attached devices and the
computer.
2. Disconnect all power cords from electrical outlets.
3. Disconnect the old mouse cable from the computer.
Figure 35. Keyboard connectors
Chapter 2. Installing or replacing hardware 45