Replacing The Front Audio And Usb Assembly - Lenovo ThinkCentre M77 Hardware Maintenance Manual

13. Reconnect all cables that were disconnected from the system board.
14. 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 Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre
Safety and Warranty Guide, go to:
http://support.lenovo.com
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.
4. Pivot the optical drive bay upward and 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 77.
5. Remove the screw that secures the front audio and USB assembly bracket. Then remove the front
audio and USB assembly bracket from the chassis.
Figure 86. Removing the front audio and USB assembly
6. Remove the two screws that secure the front audio and USB assembly to its bracket. Then remove the
failing front audio and USB assembly from the bracket.
.
Chapter 9 Replacing FRUs (Machine Types: 1996, 1997, 2002, 2010, 2208, 2209, 2221, 2224, 2226, and 2227.)
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