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Replacing the internal speakers
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 speakers.
To replace the internal speakers, do the following:
1. Remove all media from the drives and turn off all attached devices and the
computer. Then, disconnect all power cords from electrical outlets and
disconnect all cables that are connected to the computer.
2. Place a soft, clean towel or cloth on the desk or surface. Hold the sides of
your computer and gently lay it down so that the screen is against the surface
and the cover is facing up.
3.
Remove the computer cover. See “Removing the computer cover” on page 16.
4. Remove the rear I/O assembly cover. See “Removing or reinstalling the rear
I/O assembly cover” on page 20.
5. Locate the internal speakers in the computer. See “Component locations” on
page 12.
6. Note the location of the internal speaker cable connection. Note the routing of
the internal speaker cables. Disconnect the internal speaker cables from the
system board.
Chapter 2. Installing or replacing hardware
43