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3. Correctly install the batteries for the new wireless keyboard by referring to the following illustrations:
4. Remove the USB dongle from the wireless mouse compartment and connect it to an available USB
connectors on the computer. See “Replacing the wireless mouse” on page 51
.
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.
Replacing the PS/2 or USB mouse
To replace the PS/2 or USB mouse, do the following:
1. Remove any media from the drives. Then, turn off all attached devices and the computer.
50 ThinkCentre User Guide