Replacing The Rear Fan Assembly - Lenovo ThinkCentre A85 User Manual

9. Connect the new front audio and USB assembly cables to the system board. See "Locating parts on the
system board" on page 10.
10. Reinstall the front bezel. See "Removing and reinstalling the front bezel" on page 15.
What to do next:
• To work with another piece of hardware, go to the appropriate section.
• To complete the replacement, go to "Completing the parts replacement" on page 38.

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 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 rear fan assembly.
To replace the rear fan assembly, do the following:
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 14.
3. Locate the rear fan assembly. See "Locating components" on page 8.
4. Disconnect the rear fan assembly cable from the system fan connector on the system board. See
"Locating parts on the system board" on page 10.
5. 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.
Note: The new rear fan assembly will have four new rubber mounts attached.
.
Chapter 2 Installing or replacing hardware
35