Pen drive show empty even when data exists

Here I assume your pendrive drive letter as G:

Go to cmd and Enter this command:

attrib -h -r -s /s /d g:\*.* --> Press Enter

(You can copy the above command --> Right-click in the Command Prompt and paste it)

Note : Replace the letter g with your pen drive letter.

Now check your pen drive for the files.

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Asumimos que la letra del pendrive es G

Inicio, ejecutar, cmd
agrega esta comando: attrib -h -r -s /s /d g:\*.* (podes copiar y pegar el comando y pegarlo en el cmd)

NOTA: No olvides cambiar la letra g por la de tu pendrive

Proba el pendrive.