Lenovo ThinkCentre 3231 User Manual page 50

4. Push the metal tab on the top of the internal speaker outward and slide the
Figure 34. Removing the old internal speaker
5. Position the new internal speaker into the metal clips and push downward on
Figure 35. Installing a new internal speaker
6. Connect the internal speaker cable to the system board. See "Locating parts on
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User Guide
internal speaker upward to completely remove it from the chassis.
the internal speaker until it snaps into position.
the system board" on page 11.