Suddenly you though that you Hidden folder not showing? will load something new to your Hard Disk. Such as song, cinema, drama and many important things, because it needs more time to Load into Pen drive. That’s why you are thinking that you will go to your friend or another with open the Hard Disk.
Suppose your hard disk has been loaded. Now after setting Hard Disk in your Computer and Start in your PC then you thinking that you will see the Loaded Data’s but you do not find a single Data in spite of Loaded into Hard Disk.
Solution: No tension, solve own self by a small Software. The name of the Software is easeus_partition_master. Those have this Software no need to download. But this Software is a latest Version. At first Download this Software.
Note: Actual reason of this problem is that you sleep your PC without Shutdown.