Sometimes on connection of pendrive or memory card to the computer it doesn’t show files and folders.
When you see the storage, than those files can be seen taking memory space but they don’t visible in drive.
Let’s find some ways to know them.

File command in the Chrome browser

For this you will need the Google
Chrome browser. Once you open the browser at the place of writing URL, or Web address, write the command below –
file:///G:/
Here you need to change the drive letter G, which identifies your computer to the external disk. If a pen drive or memory card is visible in the drive H , Type file: /// H: / and press enter. Files will start to show.

Hidden mark on files.

Right click on pendrive or memory card folder, then go to properties and remove check mark on hidden option in general tab. Files will start to show.

Refer to the Command Prompt

If you know the command prompt, you can take the help of this option. After you open the command prompt write dir / ah . The possibility that the command files may get visible.