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Replacing the front audio and USB assembly - ThinkCentre M81 (type 0268, 1730, 4166, 4169, 5030, 5048, 5069, 7517)

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 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".
  3. Remove the front bezel. See "Removing and reinstalling the front bezel".
  4. Locate the front audio and USB assembly. See "Locating components".
  5. Disconnect the front audio and USB assembly cables from the system board. See "Locating parts on the system board".
    Note: Make sure you note the locations of the cables when you disconnect the cables from the system board.
  6. Remove the screw that secures the front audio and USB assembly bracket to the chassis to remove the bracket from the chassis.

m81_audio.jpg

Figure 1. Removing the screw that secures the front audio and USB assembly to the chassis

  1. Remove the two screws that secure the front audio and USB assembly to its bracket and remove the failing front audio and USB assembly from the bracket.
  2. Install a new front audio and USB assembly into the bracket and install the two screws to secure the front audio and USB assembly to the bracket.
  3. Install the front audio and USB assembly bracket into the chassis and align the screw hole in the bracket with the corresponding hole in the chassis.
  4. Install the screw to secure the bracket to the chassis.
  5. Reconnect the front audio and USB assembly cables to the front audio connector and the front USB connector on the system board. See "Locating parts on the system board".
  6. To complete the installation or replacement, go to "Completing the parts replacement"
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  • Alias ID: MIGR-77369
  • Document ID: PD012385
  • Last Updated :6/17/2014
  • (c) 2014 Lenovo