The file cannot be displayed/be played back.

Remove the microSD memory card from your tablet device once, and insert it again when the file name disappears from the display.

The data may be damaged if the file cannot be played back even though the file name is displayed.

Make sure the file format form of the data corresponds to that of your tablet device.

Make sure the file is suitable for the playback format of the application.

If the file cannot be displayed when you use the [Music player] app or the [Video player] app, execute [Update database] on the setting menu.