Lenovo FM 300s Hardware Maintenance Manual page 110

1. Remove any media from the drives and turn off all connected 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 82.
3. Remove the front bezel. See "Replacing the front bezel" on page 82.
4. Locate the front Wi-Fi antenna. See "Computer components" on page 31.
5. Disconnect the front antenna cable from the Wi-Fi card module.
6. Remove the front antenna and cable from the front of the computer.
Figure 38. Removing the front Wi-Fi antenna
7. Peel off the paper that protects the stickers on the new front antenna.
Figure 39. Peeling off the paper that protects the stickers
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Lenovo FM 300s Hardware Maintenance Manual