Lenovo ThinkCentre Edge 72 Hardware Maintenance Manual page 108

This section provides instructions on how to replace the WiFi units. The WiFi units include a WiFi adapter
card, a WiFi card module, and a rear WiFi antenna cable.
Replacing the WiFi units involves the following operations:
• "Removing the WiFi adapter card" on page 104
• "Removing the WiFi card module" on page 105
• "Installing the WiFi units" on page 106
Removing the WiFi adapter card
To remove a WiFi 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 WiFi card module that supports the Bluetooth function, disconnect
the Bluetooth cable from the WiFi adapter card.
Figure 36. 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.
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ThinkCentre Hardware Maintenance Manual