Hard Disk not intialized - an I/O device error - Data error - cyclic redundancy check 

The request could not be performed because on an I/O device error" OR "Data error (cyclic redundancy check) - why this problem is shown in the Virtual Disk Manager. Many users suffer from this kind of problem of hard disk in laptop or desktop. In some cases I showed what might be the reason and I tried to give it a solution. This video may be useful to you.