8. Pivot the Wi-Fi card upward and lift the Wi-Fi card out of the mini PCI Express slot.

Figure 49. Removing the Wi-Fi card

9.To install the new Wi-Fi card, insert the notched end of the new Wi-Fi card into the mini PCI express card slot at an angle of about 20 degrees. Ensure that the Wi-Fi card is inserted firmly and then pivot the Wi-Fi card downward so that the screw hole in the Wi-Fi card aligns with the corresponding hole in the system board.

10.Install the screw to secure the new Wi-Fi card to the system board.

11.Connect the two cables to the new Wi-Fi card.

12.Reinstall the rear I/O assembly. See “Replacing the rear I/O assembly” on page 84.

13.Reinstall the system board shield. See “Removing and reinstalling the system board shield” on page 83.

14.Go to “Completing the parts replacement” on page 108.

Completing the parts replacement

After completing the installation or replacement for all parts, you need to reinstall the computer cover and reconnect cables.

To reinstall the computer cover and reconnect cables, do the following:

1.Make sure that all components have been reassembled correctly and that no tools or loose screws are left inside your computer. See “Locating major FRUs and CRUs” on page 66 for the locations of various components in your computer.

2.Make sure that the cables are routed correctly before reinstalling the computer cover. Keep cables clear of the hinges and sides of the computer chassis to avoid interference with reinstalling the computer cover.

108ThinkCentre E73z Hardware Maintenance Manual

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Lenovo E73Z, 10BL manual Completing the parts replacement, Removing the Wi-Fi card