Wimax BroadBand not working on Windows 7

[the64u]

Hi,
I am using Desktop Pc with Dual OS | Linux Mint and Window 7
-> I plugin BSNL WiMAX broadband Connection.
-> Signal and Strength is good
-> Internet connectivity is available in Linux
Problem :
-> [color=#ff0000;]Internet connectivity is not in Windows 7[/color]
-> More over it create two LAN
---- I try to disable LAN then Enable it , but again show two Lan
Can try to resolve it.