After printing it back in the text printing room, all the folders in the USB flash drive are hidden, and the "hidden" items in the folder attributes cannot be changed. You can use the command line to solve this problem: first, press win + R to open the "run" window. Enter cmd and press enter to open the Command Prompt window. If the drive letter of the USB flash drive is H, enter the following command:
Attrib-s-h: \ *. */S/D
The description is as follows:
Attribute Modification in attrib DoS)
-S: remove system attributes (addition/subtraction indicates removal, and s indicates System)
-H remove hidden attributes (addition and subtraction indicate removal, and h indicates hidden)
H: \ *. * process any files in disk H.
/S/D this is a parameter of the attrib command, indicating that files are processed and folders are also processed.
For convenience, you can save the following three lines of text as a batch file:
@ Echo off
Attrib-s-h *. */S/D
Pause
Paste the above three lines of text in notepad, select "file" menu "Save as", select "all files" in "Save type", and enter showall in the file name. bat. Click OK. In case of the above problems, you only need to copy the batch processing file to the USB flash disk and then double-click it.