If there are no drivers listed for your laptop at the HP website, and no drivers listed for the controller at the Intel website (provided it really is an Intel video chip), and no Vista drivers listed at either page... you're out of luck.
i said "3rd party source" as in non Microsoft, non Intel
You're only asking for trouble by going to a third party source though. Don't say I didn't warn you...
no "trouble" for an experienced pro. now, what link can you provide?