You might be looking for the following topics:

• Using the Antivirus App for Your VAIO Computer
• Connecting to the Internet with a Wired Connection (LAN port equipped models)
• About the Internet Connection Services
• About the Network (LAN)
• Disabling the Wi-Fi(R) (Wireless LAN) Function
• Notes on Using the Wi-Fi(R) (Wireless LAN) Function
• Stopping Wi-Fi(R) (Wireless LAN) Communications
• About the Wi-Fi(R) (Wireless LAN) Standards
• Starting Wi-Fi(R) (Wireless LAN) Communications
• About a Security Key for Wi-Fi(R) (Wireless LAN)