Hello thanks again, I' have tryed this url first and this http://www.notebookcheck.net/Case-Study-Replacing-the-Video-Card-of-a-Dell-Inspiron-E1705-9400.4187.0.html.
but I've a hope to obtain that driver in this form or mayor information to resolve my situatión, my last chance I'll try to put in contact to microsoft support. If I have an succes anwer I'll publicate in this forum
thanks alot again