Most of the later model flat screen monitors from Dell come with USB ports. These a low powered ports intended to be used for simple USB peripherals such as a mouse and keyboard. There is no installation required. To power the USB ports, the user must connect the supplied upstream cable to their computer. On startup, the computer will recognize these USB ports as regular USB ports. From there, you will be able to connect USB peripherals at your leisure.
Turn the monitor off.
Connect one end of the USB upstream cable that comes with the monitor into the monitor's upstream port. Connect the other end into a USB port on your computer.
Turn the monitor back on.
The USB ports will automatically be ready to be used. No further installation is needed.