Replacing The Front Audio And Usb Assembly - Lenovo 10AQ Maintenance Manual

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 Safety, Warranty, and Setup Guide that came with your computer. To obtain a copy of the Safety, Warranty, and
Setup Guide, go to:
http://www.lenovo.com/support
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. Remove the computer cover. See "Removing the computer cover" on page 126.
3. Remove the front bezel. See "Removing and reinstalling the front bezel" on page 127.
4. Pivot the drive bay assembly upward. See "Accessing the system board components and drives" on
page 128.
5. Disconnect the front audio and USB assembly cables from the system board. See "Locating parts on
the system board" on page 80.
Note: Make sure you note the locations of the cables when you disconnect the cables from the system
board.
6. Remove the screw that secures the front audio and USB assembly bracket to the chassis to remove
the bracket from the chassis.
Figure 88. Removing the front audio and USB assembly
7. Install the new front audio and USB assembly bracket into the chassis and align the screw hole in the
bracket with the corresponding hole in the chassis.
8. Install the screw to secure the bracket to the chassis.
9. Pivot the drive bay assembly upward and reconnect the front USB and front audio cables to the system
board. See "Locating parts on the system board" on page 80.
10. Lower the drive bay assembly. See "Accessing the system board components and drives" on page 128.
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ThinkCentre E93 Hardware Maintenance Manual