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su vaio-link nella sezione "windows vista upgrade" c'è la seguente procedura per installare i driver:

Installation order of Vista drivers and utilities
Important note:

We strongly recommend a clean installation of Vista. A clean installation is an installation onto an empty hard disk drive. Please back up your personal data before doing a clean installation.
Installation order

Install BIOS update*
Install drivers**
Install Sony Utils.dll
Install Sony Shared Library
Install Sony Video Shared Library, Setting Utility Series*, VAIO Event Service, VAIO Control Center, VAIO Action Setup*, VAIO Power Management*, Battery Checker*, AV Mode Button*, Appmon*, Instant Mode*, VAIO Camera Utility*, Wireless Switch Setting*
Install remaining donwloads*
* Only if applicable.
** Most XP drivers will work in Vista. We provide Vista download drivers only if XP drivers do not work and there are no supported Vista inbox drivers. This means that, for some built-in devices such as the Memory Stick, Motion Eye camera, etc., you might have to install the appropriate XP drivers in case you perform a clean installation of the Vista OS. XP drivers can be found on the VAIO recovery disc or on our website (see preinstalled drivers).