Originally Posted by wozelbeak
if you have plugged you wired mouse in after you had turned your p.c on it wont work. it needs to be plugged in while it boots up.
unless it's a usb mouse then you can plug it in while the pc is turned on.
speaking of that, if it is usb, do you have one of those usb to ps2 adapters? if you do, try using that and plug the mouse in that way.