Lenovo M58e Hardware Maintenance Manual - Page 120

Replacing the rear fan assembly 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 was included 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 rear fan assembly. To replace the rear fan assembly: 1. Remove the computer cover. See "Removing the computer cover" on page 85. 2. Locate the rear fan assembly. See "Computer components" on page 83. 3. Disconnect the rear fan assembly cable from the system fan connector on the system board. See "System board connectors" on page 84. 4. The rear fan assembly is attached to the chassis by four rubber mounts. Carefully remove the four rubber mounts from the rear of the chassis by breaking them or cutting them with scissors. 5. Remove the rear fan assembly out of the chassis. 6. Install the new rear fan assembly by aligning the rubber mounts of the rear fan assembly with the holes on the chassis and push the rubber mounts through the holes. 114 Hardware Maintenance Manual