Lenovo ThinkCentre M83, Hardware Maintenance Manual

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8. Install the screw to secure the new front audio and USB assembly in place.
Figure 78. Installing the screw to secure the front audio and USB assembly
9. Connect the cables of the new front audio and USB assembly to the front audio connector and the front
USB connector 1 on the system board. See “Locating parts on the system board” on page 72.
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 156.
Replacing the internal speaker
Attention: Do not open your computer or attempt any repair before reading and understanding the Chapter
1 “Safety information” on page 1.
This section provides instructions on how to replace the internal speaker.
Note: The internal speaker is only available in some models.
To replace the internal speaker, do the following:
1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect
all power cords from electrical outlets and disconnect all cables that are connected to the computer.
2. Remove the computer cover. See “Removing the computer cover” on page 93.
3. Locate the internal speaker connector on the system board. See “Locating parts on the system board”
on page 72.
4. Disconnect the internal speaker cable from the system board.
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ThinkCentre M83 and M93/p Hardware Maintenance Manual