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Figure 14. Installing the optical drive
5. Connect the signal cable and the power cable to the rear of the new optical drive.
6. Go to "Completing the FRU replacement" on page 84.
Replacing the front audio/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 remove and replace the front audio/USB assembly.
1. Remove the computer cover. See "Removing the computer cover" on page 67.
2. Remove the front bezel. See "Removing and reinstalling the front bezel" on page 68.
3. Disconnect the front audio/USB assembly cable from the system board. See the system board illustration
for your machine type at "System board connectors" on page 66.
4. Note the front audio/USB assembly cable routing and remove the screw that secures the assembly to
the chassis.
5. Remove the front audio/USB assembly.
6. Route the cable for the new front audio/USB assembly through the hole in the chassis and to the system
board.
7. Install the front audio/USB assembly into the chassis and secure it with the screw.
8. Connect the front audio/USB assembly cable to the system board.
9. Reinstall the front bezel.
10. Go to "Completing the FRU replacement" on page 84.
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ThinkCentre Hardware Maintenance Manual
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