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7. Pull on the tips of the rubber mounts until the rear fan assembly is secured in place.
Figure 44. Installing the rear fan assembly
8. Connect the rear fan assembly cable to the system fan connector on the system board.
9. To complete the installation or replacement, go to “Completing the parts replacement” on page 113.
Replacing the front audio and USB assembly
Attention:
Do not open your computer or attempt any repair before reading and understanding the “Important safety information”
in the ThinkCentre User Guide. To obtain a copy of the ThinkCentre User Guide, go to:
http://www.lenovo.com/ThinkCentreUserGuides
This section provides instructions on how to replace the front audio and USB assembly.
To replace the front audio and USB assembly, do the following:
1. Turn off the computer and disconnect all power cords from electrical outlets.
2. Remove the computer cover. See “Removing the computer cover” on page 79.
3. Remove the front bezel. See “Removing and reinstalling the front bezel” on page 80.
4. Locate the front audio and USB assembly. See “Locating components” on page 76.
5. Disconnect the front audio and USB assembly cables from the system board. See “Locating parts on
the system board” on page 77
.
Note: Make sure you note the locations of the cables when you disconnect the cables from the system
board.
110 ThinkCentre Hardware Maintenance Manual