Replacing The System Board - Lenovo ThinkCentre 1982 Hardware Maintenance Manual

6. Position the new internal speaker into the four metal clips
until it is secured in place.
Figure 44. Installing a new internal speaker
7. Connect the internal speaker cable to the system board. See "Locating parts on the system board"
on page 77.
8. To complete the replacement, go to "Completing the parts replacement" on page 112.

Replacing the system board

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 system board.
CAUTION:
The heat sink and microprocessor might be very hot. Turn off the computer and wait three to five
minutes to let the computer cool before opening the computer cover.
To replace the system board, 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. Remove the computer cover. See "Removing the computer cover" on page 79.
3. Lay the computer on its side for easier access to the system board.
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ThinkCentre Hardware Maintenance Manual
1 and push the internal speaker downward