My old XP computer died last week. It was connected to my wife's XP computer with a wireless card. Her computer is connected to the Internet via a router.
This is confusing to me!
How exactly are you connecting to your wife's computer? It's usually a wireless router/access point that you would connect to for wireless networking.
Do you have a Wireless Router or Access Point? If so what type is it Wireless B, G, or N?
What encryption method was you using to connect, WEP, WPA, or WPA2?
Is there a reason why you are asking about a USB device and not another wireless card?
If you would like another card, we would need to know what card slots you have available. Since you say a PCI card will not work in the computer, I'm...