The latest driver supporting 335M on Win7/64bit is:
using http://laptopvideo2go.com/infs/285series/28527_win7x64/nvwi.inf in the driver, put into Display.Driver folder...
Doesn't necessarily work, the latest drivers tend to leave the Control Panel out with that methode. Get the modfied drivers from here - you need one equipped with a modified inf:
>> You may query you question and discuss with our engineer online thru this channel. Only available for customers located in United States, Canada, China and Taiwan.
Click the link launched by respective land name. Won't work for me...