my hp dv9000 cannot cannot connect to the internet via wireless wifi link?

I upgraded from vista to windows7 ultimate and since then I have not been able to use the wifi link. the wifi card is intel wireless wifi link 4965AGN. I have updated the drivers DSL, visited HP forums and MS forums but no help. Please somebody should help me I don't want to revert to vista after spending to acquire the win7.
 
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