Replacing The Internal Speaker - Lenovo ThinkCentre M90 3244 User Manual

Replacing the internal speaker

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:
Figure 28. Removing the front bezel
34
User Guide
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
1. Turn off the computer and disconnect all power cords from electrical outlets.
2. Open the computer cover. See "Opening the computer cover" on page 14.
3. Remove the front bezel by releasing the three plastic tabs and pivoting the
front bezel outward.
4. Pivot the optical drive bay assembly upward to gain access to the internal
speaker. See "Accessing the system board components and drives" on page 16.
5. Locate the internal speaker. See "Locating components" on page 10.
6. Disconnect the internal speaker cable and the thermal sensor cable from the
internal speaker connector and the thermal sensor connector on the system
board. See "Locating parts on the system board" on page 11.