Lenovo ThinkCentre M83 Hardware Maintenance Manual page 280

This section provides instructions on how to replace the internal speaker.
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 237.
3. Locate the internal speaker in the computer. See "Locating major FRUs and CRUs" on page 88.
4. Remove the hard disk drive assembly. See "Installing or removing the hard disk drive assembly" on
page 251.
5. Disconnect the internal speaker cable from the system board.
6. Release the internal speaker cable from the retaining clip on the side of the thermal module bracket.
Figure 272. Releasing the internal speaker cable
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ThinkCentre M83 and M93/p Hardware Maintenance Manual