11.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 66.
12.Reinstall the system board shield. See “Removing and reinstalling the system board shield” on page 76.
13.Go to “Completing the parts replacement” on page 96.
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 71.
4.Remove the VESA mount bracket. See “Removing and reinstalling the VESA mount bracket” on page 71.
5.Remove the system board shield. See “Removing and reinstalling the system board shield” on page 76.
6.Locate the system board in the computer. See “Locating major FRUs and CRUs” on page 63.
7.Remove the heat sink assembly. See “Replacing the heat sink assembly” on page 78.
8.Remove the microprocessor. See “Replacing the microprocessor” on page 80.
9.Remove the memory modules. See “Installing or replacing a memory module” on page 85.
10.Remove the battery. See “Replacing the battery” on page 83.
11.Note the locations of all cable connections on the system board and disconnect all cables. See “Locating parts on the system board” on page 66.
12.Remove the six screws that secure the system board to the main bracket. Carefully lift the system board out of the chassis.
Chapter 9. Replacing FRUs 89