Lenovo ThinkCentre A57e - Manual (Page 44)

3. Locate the mouse connector.
Note: Your mouse might be connected to a standard mouse connector 1 or a
USB connector 2 . Depending on where your mouse is connected, see
“Locating connectors on the rear of your computer” on page 6 or “Locating
controls and connectors on the front of your computer” on page 5.
4. Disconnect the failing mouse cable from the computer.
5. Connect the new mouse to the appropriate connector on the computer.
6. Go to Chapter 4, “Completing the parts replacement,” on page 37.
Figure 32. Mouse connectors
36 Hardware Installation and Replacement Guide