Pen drive is not showing files but it has data inside it. ~ GNIITHELP

Problem : Pen drive has data but it is showing empty. 

Solution : Sometimes data remain hidden so make sure files are not in hidden mode.

To show hidden files 
Computer --> Organize --> Folder and search options --> view --> Show hidden files, folders and drives

Check your pen drive if still it is not displaying data then follow below steps :

Step 1: Click on "Start" --> "Run" or "win+r"--> Type "cmd" and press Enter.

Step 2:
Enter this command. 
attrib -h -r -s /s /d g:\*.* --> Press Enter (where "G" or "g" is your drive letter or you can replace "g" with your pen drive letter in this command) 
  
You can copy the above command --> Right-click in the Command Prompt and paste it. 

Step 3: Now you can check your pen drive data.