Lenovo M4350 Desktop - Manual (Page 101)

3. If your computer comes with a WiFi card module that supports the Bluetooth function, disconnect
the Bluetooth cable from the WiFi adapter card.
Figure 35. Disconnecting the Bluetooth cable
Note: The Bluetooth cable connects the Bluetooth connector on the WiFi 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.
Chapter 8 . Replacing FRUs 95