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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 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. Remove the computer cover. See “Removing the computer cover” on page 68.
2. Remove the front bezel. See “Removing and reinstalling the front bezel” on page 71.
3. Disconnect the front audio and USB assembly cables from the system board. See “Locating parts on
the system board” on page 70.
4. Note the front audio and USB assembly cables routing and remove the screw that secures the front
audio and USB assembly to the chassis.
Figure 36. Removing the front audio and USB assembly
5. Remove the front audio and USB assembly.
6. Route the cables for the new front audio and USB assembly through the hole in the chassis to the
system board.
7. Install the new front audio and USB assembly into the chassis and secure it with the screw.
8. Connect the new front audio and USB assembly cables to the system board. See “Locating parts on the
system board” on page 70.
9. Reinstall the front bezel.
10. To complete the replacement, go to “Completing the FRU replacement” on page 97.
96 ThinkCentre Hardware Maintenance Manual