Replacing The Internal Speaker - Lenovo ThinkCentre 3029 User Manual

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.
Figure 32. Removing the securing screw of the front audio and USB assembly
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 10.
What to do next:
• To work with another piece of hardware, go to the appropriate section.
• To complete the installation or replacement, go to "Completing the parts replacement" on page 38.

Replacing the internal speaker

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://www.lenovo.com/support
This section provides instructions on how to replace the internal speaker.
Note: Not all computers have the internal speaker.
To replace the internal speaker, do the following:
1. Turn off the computer and disconnect all power cords from electrical outlets.
.
Chapter 2 Installing or replacing hardware
35