Lenovo 0829T2U Personal Computer User Manual


 
10. Reinstall the front bezel. See “Removing and reinstalling the front bezel” on
page 15.
What to do next:
v To work with another piece of hardware, go to the appropriate section.
v To complete the replacement, go to “Completing the parts replacement” on
page 37.
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,goto:
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 10.
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 11.
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.
Figure 29. Removing the rear fan assembly
Chapter 2. Installing or replacing hardware 35