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3. Remove the computer cover. See “Removing the computer cover” on page 15.
4. Locate the WI-FI card on the system board. See “Component locations” on page 11.
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.
Figure26. 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 rmly and then pivot the WI-FI card to align the screw holes in the new WI-FI card with those
in the system board.
8. Install the two screws to secure the new WI-FI card to the system board.
9. Connect the two cables to the new WI-FI card.
What to do next:
• To work with another piece of hardware, go to the appropriate section.
• To complete the installation or replacement, go to “Completing the parts replacement” on page 52
.
Replacing the Bluetooth module
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 Bluetooth module.
Note: The Bluetooth module is available only in some models.
Chapter 2. Installing or replacing hardware 35