When you connect your USB drive to your
computer which runs Windows 7 operating system, you may find it unrecognizable
or inaccessible due to some reasons. In this article, we will introduce those problems
and tell the solution for this kind of problem. Usually, you may have different
kinds of questions when you encounter the USBflash drive not formatted error on Windows 7. You can free download the
professional recovery tool to restore data from the USB.