[Null]

does it have a normal round (ps/2) mouse plug? cuz you could just use an adapter and plug into that. most come with one anyway.





or.... Right click MY COMPUTER,
goto PROPERTIES.
then click on the HARDWARE tab.
then click on DEVICE MANAGER

then in either -MICE and other pointing devices- or - Universal Serial Bus Controllers -
make sure theres not one called UNKNOWN DEVICE or unknown something. if there is, delete or right lcick - Uninstall that unknown device, reboot and let XP try and reconize the mouse again.