Lenovo ThinkCentre M81, Hardware Maintenance Manual

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11. Install the screw to secure the cover presence switch to the chassis.
Figure 98. Reinstalling the cover presence switch
12. To reinstall the front bezel, align the three tabs on the front bezel with the corresponding holes in the
chassis and pivot the front bezel inwards until it snaps into position.
13. To complete the installation or replacement, go to “Completing the parts replacement” on page 160.
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 121.
3. Remove the front bezel. See “Removing and reinstalling the front bezel” on page 122.
Chapter 9
.
Replacing FRUs (Machine Types: 0267, 0385, 1981, 4167, 5025, 5032, 5049, 5070, and 7518)
159