To improve the stability of the Wireless LAN connection, please download the latest Wireless LAN Driver Version 220.127.116.1174 Upgrade.
In the Downloads section, please select Notebook and proceed with the steps below:
1. Move the cursor to the relevant Notebook Series and click the model of the VAIO computer.
2. Locate Wireless LAN Driver Version 18.104.22.16874 and proceed as per instructions on the screen.
After the installation of the new Wireless LAN Driver update program, all settings (SSID, WEP key etc) for the Wireless connection will reset back to default. Please establish the necessary settings again to establish wireless connection.