Problems with USB on a motherboard can be resolved.
USB was invented to replace the COM ports on computers. The original USB implementation was nearly 100 times faster than the COM port. USB 2.0 was then invented to alleviate some of the shortcomings of the original USB specification, including being nearly 50 times faster and supporting device power. Like any other device, USB can experience problems as well.
Physical damage
USB is meant to service removable devices. Because of this, a USB plug that has been handled too roughly can bend the pins on the USB connector on the motherboard. Additionally, if a USB cable is pulled too much in the wrong direction, it can cause the USB connector on the motherboard to become loose or even break off the motherboard.
Electrical problems
USB is designed to carry 5 volts of power to a device, as well as data. A malfunctioning USB device can send a power surge to the motherboard, which makes the USB connection, and possibly even the entire computer, behave erratically. In the other direction, a malfunctioning USB port on a motherboard can damage a USB device by sending too much power through the cable.
Computer configuration
A computer operating system is able to configure the USB port. For example, if a proper USB driver is not in place, the USB device plugged into the motherboard may not be recognized, or it may not operate at the correct speed. Some devices, such as mice and keyboards, have general drivers installed in the operating system so that these devices are instantly recognized. Other devices, such as printers, must have software installed in the operating system for the USB devices to be fully recognized and used by the motherboard.
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