Asus P9D-V - Manual (Page 126)

6-12 Chapter 6: Driver installation
9. When finished, click Next.
10. When prompted to restart the computer,
select Yes, I want to restart this computer
now then click Finish to complete the
installation.
8. Click Install in the Windows Security
window.
The Windows Security window may appear more than once and you may have to click Install
several times to continue with the installation.