My usb ports are not showing up on my syster manager, cant hook up my printer, any sugetions will be apretiated

Is this a new problem? Were things working OK previously? Any new hardware and or software?

What is the exact make and model of the computer?

do you have an instalation cd which is came with your computer there must be USB drivers, so you can install them, otherwise i'd advice you to look up on the your computer manufacturer's site for this drivers.