Replacing The Wi-Fi Card - Lenovo ThinkCentre Hardware Maintenance Manual

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 ThinkCentre Safety and Warranty Guide that came with your computer. To obtain a copy
of the ThinkCentre Safety and Warranty 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 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 69.
4. Locate the WI-FI card on the system board. See "FRU locations" on page 67.
5. Disconnect the two cables from the WI-FI card.
6. Carefully remove the two screws that secure the WI-FI card to the system board. Then, pivot the WI-FI
card upward and lift the WI-FI card to remove it from the mini PCI Express slot.
Figure 26. Removing the WI-FI card
7. Insert the notched end of the new WI-FI card into the mini PCI Express slot. Press the new WI-FI
card firmly and then pivot the WI-FI card to align the screw holes in the new WI-FI card with those
in the system board.
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ThinkCentre Hardware Maintenance Manual