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Replacing the keyboard
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 keyboard.
To replace the keyboard:
1. Remove any media from the drives, shut down your operating system, and
turn off all attached devices and the computer.
2. Unplug all power cords from electrical outlets.
3. Locate the keyboard connector.
Note: Your keyboard might be connected to a standard keyboard connector 1
or a USB connector 2. Depending on where your keyboard is
connected, see “Locating connectors on the rear of your computer” on
page 7 or “Locating connectors on the front of your computer” on page
6.
4. Disconnect the failing keyboard cable from the computer.
5. Connect a new keyboard to the appropriate connector on the computer.
6. Go to “Completing the parts replacement” on page 35.
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, go to:
http://www.lenovo.com/support
This section provides instructions on how to replace the mouse.
To replace the mouse:
1. Remove any media from the drives, shut down your operating system, and
turn off all attached devices and the computer.
Figure 29. Keyboard connectors
34 User Guide