hi does not work it says The volume does not contain a recognized
file system. Please make sure that all required file system drivers
are loaded and that the volume is not corrupted.?

Run the error checker on the drive: Click the drive icon and choose Properties.
Click Tools.
Click Check Now
Tick both boxes.
Click Start.
Not enough information. Were you previously able to access the same files?
Is this an internal or external drive?
