Replacing The Wifi Units - Lenovo ThinkCentre M82 Hardware Maintenance Manual

Replacing the WiFi units

Attention: Do not open your computer or attempt any repair before reading and understanding the "Important
safety information" on page 1.
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 201
• "Removing the WiFi card module" on page 202
• "Installing the WiFi units" on page 203
Removing the WiFi adapter card
To remove the WiFi adapter card, do the following:
1. Turn off the computer and disconnect all power cords from electrical outlets.
2. Open the computer cover. See "Opening the computer cover" on page 154.
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 146. 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. Rotate the PCI card retainer to the open position.
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Chapter 10 Replacing FRUs (machine types: 2756, 2800, 2929, 2932, 2934, 2941, 2945, 2961, 2982, 2988, 2993, 2996, 3181,
3183, 3185, 3187, 3198, 3202, 3207, 3209, 3214, 3218, 3224, 3227, 3306, 3393, and 3395)
201