What should I do if I cannot use the Wi-Fi(R) (Wireless LAN) function?

• Enable the Wi-Fi function.
  Open Control Panel [Details] and select Network and Internet and Network and Sharing Center.
  Select Change adapter settings in the left pane, right-click Wi-Fi, and select Enable.

• To use the Wi-Fi function on your VAIO computer, you need to configure the Wi-Fi settings.
  Check the Wi-Fi settings of the computer. [Details]

• If a connection utility app supplied with a third-party Wi-Fi product is installed, uninstall it.
  If a connection utility app is installed, Windows may fail to configure the Wi-Fi settings. Be sure to take a note of your settings, (such as security keys) before uninstalling.