Cant view any of my music,photos or videos when connected my xperia s to pc

[Bryan Britto]

Im using a sony xperia s.nd im having this problem with it.i can view all my photos,audios nd videos on my phone..but the thing is tht wen i connect my phone to a pc by an USB cable and wen i go to view my photos nd audio on the pc in the internal storage,it dsnt display or show up except the other app folders.Can u plzz help m with this problem...