Replacing The Front Audio And Usb Assembly - Lenovo ThinkCentre Edge 71 1577 User Manual

What to do next:
• To work with another piece of hardware, go to the appropriate section.
• To complete the replacement, go to "Completing the parts replacement" on page 50.

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" on page v.
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. Turn off the computer and disconnect all power cords from electrical outlets.
2. Remove the computer cover. See "Removing the computer cover" on page 30.
3. Remove the front bezel. See "Removing and reinstalling the front bezel" on page 31.
4. Locate the front audio and USB assembly.
5. Disconnect the front audio and USB assembly cables from the system board. See "Locating parts on
the system board" on page 10.
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 31. Removing the front audio and USB assembly
7. Install the new front audio and USB assembly 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 new front audio and USB assembly to the chassis.
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Chapter 5 Installing or replacing hardware
49