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Replacing the front 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 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 front fan assembly.
To replace the front fan assembly:
1.Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer.
2.Remove the computer cover. See “Removing the computer cover” on page 16.
3.Remove the front bezel. See “Removing and reinstalling the front bezel” on page 18.
4.Disconnect the front fan assembly cable from the power fan connector on the system board. See “Locating parts on the system board” on page 12.
5.The front fan assembly is attached to the chassis by four rubber mounts. Remove the front fan assembly by breaking or cutting the rubber mounts and gently pulling the front fan assembly out of the chassis.
Figure 28. Removing the front fan assembly
6.Install the new front fan assembly by aligning the new rubber mounts of the new front fan assembly with the holes on the chassis and push the rubber mounts through the holes.
Note: The new front fan assembly you received will have four new rubber mounts attached.
Chapter 2. Installing or replacing hardware 37