Lenovo 3569, Руководство по обслуживанию

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8. Insert the notched end 1 of the new memory module into the slot. Press the memory module firmly
and pivot the memory module until it snaps into place. Make sure that the memory module is secured
in the slot and does not move easily.
Figure 38. Installing a memory module
9. Reinstall the system board shield or close the system board shield window. See “Removing and
reinstalling the system board shield” on page 87 or “Opening the system board shield window” on
page 96.
10. Go to “Completing the parts replacement” on page 111.
Replacing the internal speakers
Attention
Do not open your computer or attempt any repair before reading and understanding the “Important safety
information” in the
Safety, Warranty, and Setup Guide that came with your computer. To obtain a copy of the
Safety, Warranty, and Setup 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 other flat 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 80.
4. Locate the internal speakers in the computer. See “Locating major FRUs and CRUs” on page 68.
5. Remove the system board shield. See “Removing and reinstalling the system board shield” on page 87.
6. Note the location of the internal speaker cable connection and the routing of the internal speaker cables.
Disconnect the internal speaker cables from the system board.
7. Remove the two screws that secure each internal speaker to the front bezel, and then remove the
internal speakers from the computer.
Chapter 9
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Replacing FRUs
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