Replacing The Wi-Fi Antennas - Lenovo FM 300s Hardware Maintenance Manual

7. Insert the new Wi-Fi card into the M.2 Wi-Fi card slot. Ensure that the Wi-Fi card is inserted firmly. Then,
pivot the Wi-Fi card as shown so that the screw notch on the Wi-Fi card aligns with the screw hole
in the system board.
Note: Do not touch the notched edge of the Wi-Fi card.
Figure 36. Installing the Wi-Fi card
8. Install the screw to secure the Wi-Fi card to the system board, and then connect the Wi-Fi antenna
cables to the Wi-Fi card.
Figure 37. Connecting the Wi-Fi antenna cables
9. If a PCI-Express card is available, install the PCI-Express card. See "Replacing a PCI Express card" on
page 100
What to do next:
• To work with another piece of hardware, go to the appropriate section.
• To complete the installation or replacement, go to "Completing the parts replacement" on page 108.

Replacing the Wi-Fi antennas

Attention: Do not open your computer or attempt any repair before reading and understanding the Chapter
1 "Read this first: Important safety information" on page 1.
To replace the Wi-Fi antennas, refer to the following topics:
• "Replacing the front Wi-Fi antenna" on page 103
• "Replacing the rear Wi-Fi antenna" on page 105
Replacing the front Wi-Fi antenna
To replace the front Wi-Fi antenna, do the following:
.
Chapter 9 Installing or replacing hardware
103