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5. Press the internal speaker lock latch 1 , slide the internal speaker downwards to remove it from the
chassis.
Figure 28. Removing the internal speaker
6. Position the new internal speaker into the metal clips 2 and push the internal speaker upwards until it is
secured by the lock latch 1 .
7. Connect the new internal speaker cable to the system board. See “Locating parts on the system
board” on page 71
.
8. Go to “Completing the parts replacement” on page 98.
Replacing the front audio and USB assembly
Attention:
Do not open your computer or attempt any repair before reading and understanding the “Important safety information”
in the ThinkCentre User Guide. To obtain a copy of the ThinkCentre User Guide, go to:
http://www.lenovo.com/ThinkCentreUserGuides
This section provides instructions on how to replace the front audio and USB assembly.
To replace the front audio and USB assembly, 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. Open the computer cover. See “Opening the computer cover” on page 72.
3. Remove the front bezel. See “Removing and reinstalling the front bezel” on page 73.
4. Disconnect the front audio and USB assembly cables from the system board and note the cables
routing. See “Locating parts on the system board” on page 71
.
92 ThinkCentre Hardware Maintenance Manual