Sony VPCZ2390X Manual

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Using Your VAIO Computer >
Using the Wireless WAN
Using the Wireless WAN
Using the wireless WAN allows your computer to connect to the Internet through the wireless network wherever there is the 
mobile phone coverage.
The wireless WAN may not be available in some countries or regions.
Some features and options in this section may not be available on your computer.
See the specifications to find out about the configuration of your computer.
!
You cannot access wireless networks if you disable the wireless devices in the BIOS setup screen. To enable the devices, follow the steps in Disabling 
Built-in Devices 
.