Replacing The Front Audio And Usb Assembly - Lenovo ThinkCentre M77 1990 User Manual

7. Pull on the tips of the rubber mounts until the rear fan is secured in place.
Figure 44. Installing the rear fan
8. Connect the rear fan 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 63.

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 32.
3. Remove the front bezel. See "Removing and reinstalling the front bezel" on page 33.
4. Locate the front audio and USB assembly. See "Locating components" on page 10.
5. Disconnect the front audio and USB assembly cables from the system board. See "Locating parts on
the system board" on page 11.
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Chapter 5 Installing or replacing hardware
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