Troubleshooting >
Wireless WAN
❑
Make sure
Maximum Performance
is selected for
Wireless Adapter Settings
in the
Power Options
window. Selecting
any other option may result in a communication failure. Follow the steps in
What should I do if my computer cannot
connect to a wireless LAN access point?
to change the settings.
What are channels?
❑
Wireless LAN communication uses divided frequency bands known as channels. Third-party wireless LAN access point
channels may be preset to different channels from Sony devices.
❑
If you are using a wireless LAN access point, see connectivity information contained in the manual that came with your
access point.
Why does the network connection stop when I change the encryption key?
Two computers with the wireless LAN function may lose a peer-to-peer network connection if the encryption key is changed.
You can either change the encryption key back to the original profile or re-enter the key on both computers so the key
matches.
Wireless WAN
What should I do if my computer cannot connect to the wireless WAN?
❑
Make sure the battery pack is installed properly and charged.
❑
Activate a mobile broadband service account with a supported carrier.
❑
Have adequate mobile coverage in your area. Check with your network provider for additional coverage information for
your location.
❑
Make sure the
WIRELESS
switch is on and the
WIRELESS
indicator light is lit on your computer.
❑
Make sure the switch next to
Wireless WAN
is set to
On
in the
VAIO Smart Network
window.
