1, first click the tool-Folder options, into the folder option settings;
2, in the Folder options, select the View tab to find the display system files and display hidden files options show all files;
3, and then find the U disk in the found.000 folder. Of course this is numbered, possibly with found. The form of XXX appears.
4, here can see the size of the file. If you want to recover the file inside, you should know the approximate file information, such as file format. For example, these are all photo files. Then the file suffix is modified to JPG. Generally those 4kb files are usually a large file that produces fragments that are difficult to recover.
5, copy all the files to the hard disk, then right-click to select Rename file. Change the suffix name from chk to the file format you want to restore;
6, and then keep the recovered file to the hard drive at the specified location. This method can save some of the data. Of course, if the data is valuable to help professional data recovery personnel.