Yes, in the process of fixing the USB error there are chances of losing or corrupting your data. Here, you will find few methods to fix such not recognizing USB error.īut, before going ahead with the troubleshooting process, you need to secure your data. Hence, try to fix the issue as soon as possible. It may be an initial indication of your flash drive corruption and losing access to data in it. However, such issues can arise in both Windows and Mac systems. It’s time we dig deep and fix ‘flash drive not recognized’ problem. It’s just one of the common issues associated with connecting an external device to your computer. It doesn’t mean that the drive is corrupt. These errors when you connect the USB drive are really scary!! These errors generally appear when an external device is connected to the computer and the operating system is unable to recognize it or read it. 'The device you connected to this computer malfunctioned, and Windows does not recognize it.'.For assistance in solving this problem, click this message.'