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Figure 33. Installing the rear fan assembly
7. Connect the rear fan assembly cable to the system fan connector on the system board.
8. Go to “Completing the FRU replacement” on page 97.
Replacing the internal speaker
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 replace the internal speaker.
To replace the internal speaker, do the following:
1. Remove the computer cover. See “Removing the computer cover” on page 68.
2. Locate the internal speaker connector on the system board. See “Locating parts on the system board”
on page 70.
3. Disconnect the internal speaker cable from the system board.
4. Push the metal tab on the top of the internal speaker outward and slide the internal speaker upward to
completely remove it from the chassis.
94 ThinkCentre Hardware Maintenance Manual