8. Install the screw to secure the Wi-Fi card to the system board, and then connect the Wi-Fi antennacables to the Wi-Fi card.Figure45. Connecting the Wi-Fi antenna cables9. Reinstall the PCI Express card if you have removed it. See “Replacing the PCI Express card” onpage 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 109.Replacing a Wi-Fi antennaTo replace the a Wi-Fi antenna, do the following: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 thecomputer.2. Remove the computer cover. See “Removing the computer cover” on page 82.3. Locate the Wi-Fi antenna you want to replace. See “Computer components” on page 31.4. Depending on whether you are replacing the front Wi-Fi antenna or the rear Wi-Fi antenna, do oneof the following:• If you are replacing the front Wi-Fi antenna, remove the front bezel. See “Replacing the front bezel”on page 83.104 Lenovo S200 Hardware Maintenance Manual