Lenovo ThinkCentre E93z, Руководство по техническому обслуживанию аппаратной части

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8. Position the new integrated camera so that the two screw holes in the new integrated camera are
aligned with those in the front bezel. Install the two screws to secure the new integrated camera to
the front bezel.
Figure 55. Installing the integrated camera
9. Route the cable of the new integrated camera, and then connect the cable to the system board. See
“Locating parts on the system board” on page 73.
10. Reinstall the system board shield. See “Removing and reinstalling the system board shield” on page 86.
Replacing the system board
Attention:
Do not open your computer or attempt any repair before reading and understanding the “Important safety information”
on page 1.
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 86.
5. Locate the system board. See “Locating major FRUs and CRUs” on page 70.
6. Remove the VESA mount bracket. See “Removing and reinstalling the VESA mount bracket” on page 88.
7. Remove the heat sink assembly. See “Replacing the heat sink assembly” on page 99.
8. Remove the microprocessor. See “Replacing the microprocessor” on page 100.
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ThinkCentre E93z Hardware Maintenance Manual