windows xp won't let drivers load

> Hi. I'm booting up a new system and everything went good
> except no mouse! I checked mouse drivers and no drivers
> foune,add hardware wizard and he can't find them either,
> I tried putting a drivers cd disc in and it says software
> won't work with software,so I tried loading drivers off a
> site put them on a cd and tried to install them and
> windows says it won't work! I looked at mouse properties
> and will not open properties because there are none,there
> are not even the basic drivers to load any mouse of any
> type! Does anyone have the anser or help to solve this?
> Thank you !
> Mark---