Lenovo 3569, Руководство по обслуживанию

Страница: 115 / 128

Figure 48. Reconnecting the LCD panel cable to the system board
20. Reinstall the integrated camera. See “Replacing the integrated camera” on page 102.
21. Reinstall the rear I/O assembly. See “Replacing the rear I/O assembly” on page 85.
22. Reinstall the system board shield. See “Removing and reinstalling the system board shield” on page 87.
23. Reinstall the foot stands. See “Removing and reinstalling the foot stands” on page 77.
24. Connect all the cables that were disconnected. See “Locating parts on the system board” on page 72.
25. Go to “Completing the parts replacement” on page 111.
Replacing the Wi-Fi card
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 Wi-Fi card.
Note: The Wi-Fi card is available only in some models.
To replace the Wi-Fi card, 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 Wi-Fi card on the system board. See “Locating major FRUs and CRUs” on page 68.
6. Remove the rear I/O assembly. See “Replacing the rear I/O assembly” on page 85.
Chapter 9
.
Replacing FRUs
109