Go to your Laptop/Computer Manufacturer's website > Drivers and Downloads Section > Key in your Model number > Look for latest Vista Drivers for it > Download/install them.
Use the Computer you are using now if you have no Internet Connection with the other one > Download / Save the Drivers > Copy them to Flash Drive > Transfer / Install them on the other Computer/Laptop.
If the above not resolve the issue, kindly repost in the Networking forum, link below:
This is the Vista Files, Folders and Search Forum.
[http://social.answers.microsoft.com/Forums/en-US/vistanetworking/threads](http://social.answers.microsoft.com/Forums/en-US/vistanetworking/threads)
"Connect to a network, email, and the **Internet."**
They will help you with your question in the above Vista Networking Forum.
Cheers.
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Mick Murphy - Microsoft Partner