Replacing The Internal Speaker - Lenovo ThinkCentre M77 Hardware Maintenance Manual

9. Reinstall the hard disk drive. See "Replacing the hard disk drive" on page 135.
10. To complete the installation or replacement, go to "Completing the parts replacement" on page 160.

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://support.lenovo.com
This section provides instructions on how to replace the internal speaker.
Note: The internal speaker is only available in some models.
To replace the internal speaker, do the following:
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 121.
3. Remove the front bezel by releasing the three plastic tabs and pivoting the front bezel outward.
Figure 89. Removing the front bezel
4. Remove the hard disk drive. See "Replacing the hard disk drive" on page 135.
5. Locate the cover presence switch (intrusion switch) and the internal speaker. See "Locating
components" on page 118.
6. Disconnect the internal speaker cable from the internal speaker connector on the system board. See
"Locating parts on the system board" on page 77.
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ThinkCentre Hardware Maintenance Manual