Où puis avoir les pilotes de WebCam Sony Vaio cr31S sous windows7

You should post your question in English. However, Google Translate tells me you are in need of drivers for your Vaio. What specific drivers do you need?

While Sony does not provide drivers for this older model, you should be able to find compatible drivers if you tell us exactly which drivers you need help with. Also, in some cases you may be able to use Vista drivers. See the follwoing link:

http://genesis.sony-europe.com/instranet/ccil_sony/self...

As the title indicates, the OP is looking for the Sony Vaio cr31S Windows 7 WebCam drivers. He's out of luck if the Vista drivers don't work.