Problem wifi card

[Joachim]

I have a little problem with my laptop HP Compaq 6715b. I was shipped home with Windows Vista Basic, I then install Windows Vista Premium. He recognized all except my wi-fi card a Broadcom BCM9431. can you help me please.

[Jacks]

In the management of devices, he displays with an exclamation point?

[Joachim]

Yes, I have equipment in an exclamation point. The contents even when I tried to install the blue witness my wi-fi Windows is "ready to use" but LED is off. And since the wi-fi does not work.

Thanks