Define "Displays". Are you referring to the actual LCD Display on the laptop or the internal Graphics/Video Adapter? Notebooks rarely have need for a LCD Display driver since the OS provides that in most cases. If you need a driver for the Graphics/Video Adapter, you're in the wrong forum.
If you need a driver for the Graphics/Video Adapter, you need to also describe it.
Or just visit the Sony website(s) to check for driver availability:
Valid Sony support links last revised on 12-Feb-2012
If you're downgrading from Vista to Windows XP: ftp://ftp.vaio-link.com/PUB/OS/XPDOWNGRADE/
Go to the following link, type your model number into the "Auto Detect" box, then click GO.... this will then show you the drivers available for your laptop.
(USA English support)
(USA English Support)
(Asia, Oceania, Middle East & Africa support)
(Europe support, ie: Select your country)
Sony Support Forum