A description if given of how to fix the problem of USB ports being disabled in this feature if you are experiencing USB connection problems.
Buy a External USB
One way to add USB ports to a computer you need a USB expansion card that you add to the motherboard. The card usually has multiple USB ports built into them.
Typically USB ports are used
External Hard Drives are generally connected to USB ports or FireWire ports.
They are used to add USB 2.0 ports to a computer that was not originally equipped with them.
Serial and USB ports are most often used to connect an external modem to a PC.
And what, exactly, would you connect them to on your computer? You can get a hub to extend existing USB 2.0 ports, but there are no external buses with enough bandwidth to install a USB 2.0 controller.
USB 3.0 port
Depends on the type of hub you're talking about. A USB expansion hub for example would allow for additional USB ports.
USB and PS2
1. Serial / COM ports 2. Parallel / LPT ports 3. USB ports.
A Dell Dimension 1100 has two USB 2.0 ports on the front and four USB 2.0 ports on the back. Therefore, you should look for an external hard drive with a USB 2.0 interface. USB 1.1 and 1.0 will work as well, but are much slower, so you probably won't want to use them.