Connect GPS to PC
To connect your GPS handheld navigator to any computer, you need your "PC Interface Cable". It is usually included with your GPS device.
Many of these cables are made to be connected to desktop PC's serial ports (rs232) while newer computers have only USB ports available. This is a very frequent issue which can be solved with the purchase of an additional USB to serial adapter
These adapters, which enable you to add a serial port to a USB port, may require you to install a special driver.