Lenovo ThinkCentre M81 (English) User Guide - Page 75

Replacing the front audio and USB assembly

Page 75 highlights

7. Pull on the tips of the rubber mounts until the rear fan assembly is secured in place. Figure 46. Installing the rear fan assembly 8. Connect the rear fan assembly cable to the system fan connector on the system board. What to do next: • To work with another piece of hardware, go to the appropriate section. • To complete the installation or replacement, go to "Completing the parts replacement" on page 67. 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" on page v. 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 34. 3. Remove the front bezel. See "Removing and reinstalling the front bezel" on page 35. 4. Locate the front audio and USB assembly. See "Locating components" on page 12. 5. Disconnect the front audio and USB assembly cables from the system board. See "Locating parts on the system board" on page 13. Chapter 5. Installing or replacing hardware 63

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7. Pull on the tips of the rubber mounts until the rear fan assembly is secured in place.
Figure 46. Installing the rear fan assembly
8. Connect the rear fan assembly cable to the system fan connector on the system board.
What to do next:
To work with another piece of hardware, go to the appropriate section.
To complete the installation or replacement, go to “Completing the parts replacement” on page 67.
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”
on page v.
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 34.
3. Remove the front bezel. See “Removing and reinstalling the front bezel” on page 35.
4. Locate the front audio and USB assembly. See “Locating components” on page 12.
5. Disconnect the front audio and USB assembly cables from the system board. See “Locating parts on
the system board” on page 13.
Chapter 5
.
Installing or replacing hardware
63