Frustrating problem in the wierless card dw1520

first sorry on my english

i notice there is a big problem with the wierless card in dell laptop(just serching google)

Unfortunately my warranty finish.

my problem is i cant connect to a any network. signal good.

i also format my computer and still the same problem.

i saw the same problem here

http://en.community.dell.com/support-forums/network-internet-wireless/f/3324/p/19412621/19971067.aspx

please help