Windows PE can recognize U disk, does not recognize the solution of mobile hard disk

At present, Windows PE has become a very common tool for Windows administrators. A friend has wanted to copy some data from the mobile hard disk to the server through Windows PE. The purpose of this is to prevent the virus on the mobile hard disk from infecting the server operating system. But helplessly found that can not recognize the mobile hard disk, and changed the U disk to try, can indeed identify, and finally solved through several trial problems.

The solution is actually very simple. Just connect the mobile hard disk before booting, then start the server, so you can recognize it.