Perhaps a majority of you have encountered unknown USB device problems, that is when you attach the USB device such as camera, printer, scanner, or any portable hard disks, your computer displays a message saying your USB device is not recognized. More often than not, people get more frustrated when they have tried dealing with the problem, to the extent of restarting the computer yet the problem prolongs. If your computer displays the stated message then basically it could not be a physical problem.
On how to fix USB device not recognized in Windows, you need to first probe into the errors to look for the primary cause of the problems. Here is a list of possible backfires that could contribute to the display of unknown USB device message. Firstly, the inadequate power supply could be the possible cause that your computer cannot detect your USB device. Some people find this pretty absurd but it is indeed true. Now to overcome this problem you will need to shut down your computer then unplug the power supply from the socket and wait for several minutes before you plug it in and start your computer again. These steps should be able to solve the issue, otherwise, you will need to carry out further checking.
If you are using the Windows 98, 2000, XP ME or any older versions, these systems may not be able to identify the USB device. You will not encounter unknown USB device problems if you are using Windows XP, Vista or Seven. You will have no other options but to update your windows to overcome this issue. Besides, outdated USB drivers or motherboard may also result in this problem. Check if you have installed the appropriate driver for your USB device. Look for the model and the operating system then purchase the latest and most suitable driver for it. If you have reinstalled the driver yet your computer is still not able to identify your USB device, then it is very likely that the problem lies with your outdated motherboard driver. As your motherboard driver is too obsolete, it cannot detect the presence of the USB device on your port.
When you have clearly detected the cause of the problems, it is when you know how to fix USB device not recognized in Windows problems. From there, you will be able to take the right solution such as looking for the latest motherboard or USB device drivers. Besides, you can also read more regarding the USB device to have a comprehensive understanding of why would such problems occur and the detailed information about the solutions.