Lenovo 3246A2U, User Manual

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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 14.
3. Remove the front bezel. See “Removing and reinstalling the front bezel” on
page 15.
4. Locate the front audio and USB assembly. See “Locating components” on page
10.
5. Disconnect the front audio and USB assembly cables from the system board.
See “Locating parts on the system board” on page 11.
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 to the
chassis.
7. Remove the front audio and USB assembly from the chassis.
8.
Install a new front audio and USB assembly into the chassis and align the
screw hole in the front audio and USB assembly with the hole in the chassis.
9. Install the screw to secure the new front audio and USB assembly to the
chassis.
10. Reconnect the front audio and USB assembly cables to the front audio
connector and the front USB connector on the system board. See “Locating
parts on the system board” on page 11.
Figure 32. Removing the securing screw of the front audio and USB assembly
Chapter 2. Installing or replacing hardware
39