Replacing The System Board - Lenovo 3569 Maintenance Manual

Figure 40. Removing the integrated camera
8. To reinstall the integrated camera, position the new integrated camera and align the two screw holes in
the new integrated camera with those in the front bezel.
9. Install the two screws to secure the new integrated camera to the front bezel.
10. Route the new integrated camera cable, and then connect the integrated camera cable to the system
board. See "Locating parts on the system board" on page 72.
11. Reinstall the system board shield. See "Removing and reinstalling the system board shield" on page 87.
12. Go to "Completing the parts replacement" on page 111.

Replacing the system board

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 system board.
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. 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. Remove the system board shield. See "Removing and reinstalling the system board shield" on page 87.
5. Locate the system board in the computer. See "Locating major FRUs and CRUs" on page 68.
6. Remove the heat sink assembly. See "Replacing the heat sink assembly" on page 90.
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Chapter 9 Replacing FRUs
103