Win7 system to open U disk display i/0 device error cannot make this request

As a result of i/0 device error in many cases is due to the U disk damage caused by the U disk to determine that there is no problem in the case we do the following operations, who can not set up the system can be a physical damage to the U disk to repair the good.

Specific steps to resolve:

1, the first mouse right click on the desktop "Computer" in the pop-up menu bar options to choose "Management";

2, into the "Computer Management", we open the window and click on "Disk Management" to expand it;

3, then find the U disk letter, right click on the U disk, select "Change Drive name and path" in the pop-up window click the "Change" button;

4, click "Assign the following drive letter (a)", and then through the right "pull-down menu" to reassign a disk letter, and finally click the "OK" button.

The above is the introduction of the win7 system by the U disk to reset the letter to solve the U disk "I/O device error" Can not open the fault method.