Hi:
Please provide the full model number of your dv6.
There is normally a dv6 model that has all of the drivers you need for W7 64 bit.
Here is a link for how to find the product #/model # of your notebook.
http://h10025.www1.hp.com/ewfrf/wc/document?docname=c00033108&lc=en&cc=us&dlc=en