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Replacing the Wi-Fi units
Attention:
Do not open your computer or attempt any repair before reading and understanding the “Important safety information”
in the Safety, Warranty, and Setup Guide that came with your computer. To obtain a copy of the Safety, Warranty, and
Setup Guide, go to:
http://www.lenovo.com/support
This section provides instructions on how to replace the Wi-Fi units. The Wi-Fi units include a Wi-Fi adapter
card, a Wi-Fi card module, and a rear Wi-Fi antenna cable.
Replacing the Wi-Fi units involves the following operations:
• “Removing the Wi-Fi adapter card” on page 161
• “Removing the Wi-Fi card module” on page 162
• “Installing the Wi-Fi units” on page 163
Removing the Wi-Fi adapter card
To remove the Wi-Fi adapter card, do the following:
1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect
all power cords from electrical outlets and disconnect all cables that are connected to the computer.
2. Remove the computer cover. See “Removing the computer cover” on page 126.
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 106. 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. Remove the screw that secures the Wi-Fi adapter card.
5. Grasp the Wi-Fi adapter card that is currently installed and gently pull it out of the slot.
Chapter 10. Replacing FRUs (machine type: 10AQ) 161