These devices basically serve the same purpose as other storage media, in that they're used to store data and info and transfer it from one device to another. The devices have a built-in USB type-A plug that slots directly into a USB port. USB flash drives, or Pen drives, thumb drives, are basically small, portable electronic devices used for storage purposes. You can even fix a corrupted SD card or USB drive using Windows built-in tool - Command Prompt (CMD). Does this mean that you should give up with them? Absolutely not. With that said, however, sometimes they do wind up becoming damaged or corrupted for no apparent reasons. That's because, such media store a wide variety of different types of info on them, so keeping them in perfect working order is hugely important. USB drives related issues like USB device not recognized may be common, but they're still incredibly annoying and can make life very difficult indeed. One of the more common computer-related issues that more and more users appear to be encountering on a regular basis is a corrupted or damaged USB flash drive.