If the Dosent work,
Type in google "SONY VAIO support"
Click the third link down,
When on the page enter your model number and download the XP drivers.
If You cant find Sony Viao XP drivers on sonys site unless you go to this link!
Did your laptop come with XP or Vista??
If it came with vista you might have some problems.
if your laptop came with vista & there are no XP drivers on that site. Try the long way around,
Below is a brief description of what to do
Use Windows XP Live CD, boot Go into your device manager take a note of all your devices and download the xp drivers for them.
Then use a software called Nlite.
Back up everything (Good Practice)