i am having a problem with my laptop not being able to see mice on my laptop. i am using a ball mouse i got with my dell desktop. it works but when i plug it in my laptop it does not see it. it use to be able but something happens and i had to wipe my laptop and reinstall windows. when i plug it in it says usb device not recognized. when i go into hardware it says unknown device and it doesn't work so i don't know what to do i went all over forms and i could not find any thing that was helpful. so please help me.