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

• Enable the Wi-Fi function.
  Open the charms [Details] and select the Settings charm.
  Select Change PC settings in the lower right corner, and select Wireless in the left pane.
  Turn off Airplane mode and change the Wi-Fi setting under Wireless devices to On.

• 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.