Lenovo ThinkCentre M82 Hardware Maintenance Manual page 140

Note: The internal speaker is only available on some models.
To replace the internal speaker, 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" on page 94.
3. Locate the internal speaker connector on the system board. See "Locating parts on the system board"
on page 75.
4. Disconnect the internal speaker cable from the system board.
5. Push the metal tab
right to completely remove it from the chassis.
Figure 68. Removing the old internal speaker
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ThinkCentre Hardware Maintenance Manual
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on the right side of the internal speaker and slide the internal speaker toward the