Attention: Read "Safety information" and "Handling electrostatic discharge-sensitive devices" in the Hardware Maintenance Manual (HMM).

1. Remove any media (diskettes, CDs, or tapes) from the drives, shut down the computer, and turn off all attached devices.
2. Unplug all power cords from electrical outlets.
3. Locate the connector for the mouse. See "Locating controls and connectors on the computer".
   
   Your mouse might be connected to the standard mouse connector 1 at the rear of the computer or to a USB connector 2 at either the front or rear of the computer.
   
   
   
   
4. Disconnect the failing mouse cable from the computer and connect the new mouse cable to the appropriate connector.
5. Go to "Completing parts installation".