Here's an example where you ask them for the driver via the chat at hp.com
The dv6000 and dv9000 are very similar products and drivers are likely to be at the same place. A FTP server if they didn't put it on the web page of drivers for your product.
My husband downgraded his laptop (HP Pavilion dv9820us) to XP from Vista. I have searched and cannot find the wireless lan driver. It is a Broadcom 802.11n I have worked on this for 2 days. I am getting sick of working on it.