Sony VGN-NR100 Series User Manual page 59

Stopping Wireless LAN Communication
To stop wireless LAN communication
1 Click Start, All Programs, and VAIO Control Center.
2 Double-click Network Connections and VAIO Smart Network.
3 Click the button next to the WLAN icon.
!
Turning off the wireless LAN functionality while accessing remote documents, files, or resources may result in data loss.
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For WPA-PSK or WPA2-PSK authentication, you must enter a passphrase. The passphrase is case sensitive and must be between 8 and 63
alphanumeric characters long or up to 64 characters long using numbers from 0 to 9 and letters from A to F.
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Using Your VAIO Computer