Lenovo ThinkCentre E73 Hardware Maintenance Manual page 117

Removing the Wi-Fi adapter card
To remove a Wi-Fi adapter card, do the following:
1. Turn off the computer and disconnect all power cords from electrical outlets.
2. Remove the computer cover. See "Removing the computer cover" on page 82.
3. If your computer comes with a Wi-Fi card module that supports the Bluetooth function, disconnect
the Bluetooth cable from the Wi-Fi adapter card.
Figure 45. Disconnecting the Bluetooth cable
Note: The Bluetooth cable connects the Bluetooth connector on the Wi-Fi adapter card to the front USB
connector on the system board to support the Bluetooth function.
4. At the rear of the computer, remove the screw that secures the PCI card latch.
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Chapter 9 Replacing FRUs (machine types: 10AS and 10AU)
113